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© Siemens AG 2012. All Rights Reserved.

Siemens PLM Software


NX NastranAn Introduction

Smarter Decisions,

Better Products



Product Development Challenges




Problems Found Too Late

Lost Revenue

Concept

Design &

Engineering

Validation &

Testing ManufacturingLaunch




Quality vs. Cost and Performance Trade-offs

▪ Difficult to understand trade-

offs through physical testing

▪ Physical testing too

costly and impractical




Choosing the Right Simulation Tools

Considerations when selecting

an analysis solver:

▪ Capabilities & applications

▪ Performance & scalability

▪ Flexibility & integration

▪ Cost & support

▪ Reputation & trust

Best-in-class increasing use of simulation



NX Nastran

The Premier FEA Solver

Multiple solution domains - One solver

Computational performance and numerical accuracy

Ease of modeling and engineering workflow

Advanced applications

Flexibility and openness



Why Siemens?

A Heritage of Leading CAE Solutions

Nastran

NX CAE

NX Nastran

Teamcenter Simulation

Process Management



▪ Variational equations

▪ 1st Virtual commissioning

▪ 1st Modal analysis package

▪ 1st Graphical FE package

▪ Relational engineering database

▪ 1st NURBS solid modeler

▪ Automatic mesh generation

▪ 1st Commercial enterprise data management system

▪ I-DEAS Master Series introduced

▪ 1st Robotic management

1967

1980

1990

2000

2010

▪ Topology optimization

▪ Fluid domain wrapping

Why Siemens?

Over 40 Years of CAE Excellence

▪ DMP for flow simulation

▪ Link simulation results to product requirements

▪ Multi-CAD, multi-CAE foundation

▪ Nonlinear solutions

▪ 1st Drag & drop processes

▪ Data management extensions

▪ Glue connections

▪ Simulation data management

▪ Synchronous Technology

▪ Bi-directional interoperability

▪ NX Nastran introduced

▪ NX Advanced Simulation introduced

▪ 1st Production quality 3D batch mesher

▪ Multi-physics solvers

▪ Rotor dynamics

▪ Flexible bodies in motion simulation

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NX Nastran









Multiple Solution Domains – One Solver

Linear

Stress

Modal Buckling Dynamics

Nonlinear

Analysis

Aeroelasticity Laminate

Composites

NVH Optimization

Rotor Dynamics Parallel

Processing

Thermal

Custom

Solutions

Multi-

physics

NASTRAN

YY- Stress PSD

RMS=19.7 MPa



Case Study

Daimler



Linear Analysis

Analysis types:

▪ Static

▪ Transient

▪ Buckling

Connectivity modeling

▪ Contact


▪ Bolt preload connections

Loads

▪ Mechanical

▪ Thermal



Case Study

MT-Propeller Entwicklung GmbH

Challenge:

▪ Retain process edge throughout product

development

▪ Increase production efficiency

▪ Reduce the number of prototypes and physical tests

▪ Secure the company’s competitive advantage

Solution:

▪ Leverage finite element analysis for materials testing

using NX Nastran

Results:

▪ Reduced number of tests and prototypes

▪ Compressed production times

▪ Pushed back material boundaries

▪ Improved manufacturability

▪ Increased sales/growth

“Based on our finite element

analysis (technology), we were

able to reduce stress by a third.”

Martin Albrecht

CEO



Complete non-linear capabilities

▪ Large deflection

▪ Contact surfaces

▪ Material nonlinearity

▪ Static and dynamic solutions

▪ Implicit and explicit solutions

Materials

▪ Linear

▪ Elastic-plastic

▪ Hyper-elastic

▪ Gasket materials

▪ Shape memory alloys

Implementation

▪ Uses NX Nastran input and output formats

0

5000

10000

15000

20000

25000

30000

35000

40000

0 50 100 150 200 250 300

Displacement (mm)

Fo

rce

(N

)

Nonlinear Analysis



Nonlinear Analysis Example

Thermal Camera Drop Simulation - FE Model

Components

▪ Case (blue)– polycarbonate material

modeled as elastic-plastic

▪ PCB (green) – epoxy material modeled as

linear material

▪ Electronic chips (red) – nominal material

Connections

▪ Rigid elements connect PCB to case

▪ Glue connects chips to PCB

Solution 601, 129

Model Size

▪ 52,000 nodes

▪ 50,000 elements




Thermal Camera Drop Simulation - Results




Thermal Camera Drop Simulation - Results

Stress on case at contact

▪ Max Von Mises:

▪ Corner of camera screen

▪ 70 MPa at .0017 sec

VM Stress at .0017 sec



Case Study

Eucentre

Challenge:

▪ Solve complex seismic engineering and nonlinear

dynamics problems in civil, mechanical, plant and

industrial engineering

Solution:

▪ NX and Femap for modeling, NX Nastran for numerical

model validation

▪ Extensive number of solving algorithms offering a high

degree of freedom to set parameters with Nastran

Results:

▪ Nonlinear dynamic analysis on steel structures with

accurate and reliable results

▪ Validation of numerical models through comparison

with experimental data and specific software

▪ Greater analyst creativity/innovation

▪ Identification of significant future opportunities

“Nonlinear dynamics is a core

feature of NX Nastran, it has

helped us fill a gap in civil

and structural engineering.”

Roberto Nascimbene

PhD Structural Analysis Sector Cor.



Dynamics Analysis

Wide range of dynamic solutions

▪ Linear modal dynamics

▪ Linear direct dynamics

▪ Transient, frequency, PSD, shock

▪ Non-linear dynamics

▪ Rotor dynamics

▪ Interior acoustics

Benefits

▪ Evaluate the effects of vibrations

▪ Input into other types of analyses, such as

motion analysis for flexible bodies

Signature strength of NX Nastran



Dynamic Analysis

Breadth of Solution

▪ Broad range of forced response

dynamic analysis types

▪ Leading modal solver

▪ Numerous damping models

▪ Numerous dynamic loadings

Capability NX Nastran

Forced Response Analysis Types

Modal Transient l

Modal Frequency l

Direct Transient l

Direct Frequency l

Complex Modal Frequency l

Random PSD l

Shock Response l

DDAM l

FRF/Transmissibility l

Rotor Dynamics Frequency l

Rotor Dynamics Transient l

Non-linear Transient l

Loading Types

Concentrated Force l

Distributed Force l

Base Motion (Accel, Vel, Disp Input) l

Damping

Modal l

Physical Viscous l

Physical Structural l

Uncoupled Physical Damping l

Coupled Physical Damping l

Frequency Dependent Stiffness and Damping l

Response Output

Standard Disp, Vel, Acce, Stress, Strain, Force .. l

Cross Spectral Density for PSD l

Crossing Rates for PSD l

Other

System Analysis with Superelements l

Transfer Function Boundary Conditions l

Mode Acceleration / Residual Vectors l



Rotor Dynamics

Description

▪ Modes of rotating systems are different than

stationary systems

▪ Solution options

▪ Modal analysis - predict whirl frequencies and critical

speeds

▪ Frequency analysis – predict steady state response to loads

▪ Transient analysis – predict response in ramp-up to

operating conditions

Benefits

▪ Easily analyze dynamics of rotating system

▪ Applications: Wind turbines, propellers, engines,

generators, machines



Optimization

Benefits

▪ Automates the iterative process of

changing variables and resolving

▪ Use for weight or stress reductions

▪ Shape optimization for products with

packaging constraints

▪ Multidisciplinary tradeoff studies

Analysis types supported:

Initial design:

Max stress = 14 MPa

Optimized design:

Max stress = 4 MPaBasic Analysis ▪ Linear statics analysis

▪ Normal modes analysis

▪ Buckling analysis

Dynamic Response ▪ Modal frequency response

▪ Direct frequency response

▪ Modal transient response

▪ Direct complex eigenvalue analysis

▪ Modal complex eigenvalue analysis



NX Nastran









Computational Performance and

Numerical Accuracy

Objective

▪ Solve large, detailed models in time to

impact the product development process

Capabilities

▪ Direct solver

▪ Iterative solver

▪ Parallel processing

▪ Shared memory (SMP)

▪ Distributed memory (DMP)

Benefits

▪ High fidelity models

▪ More “what-if” analyses and design studies

▪ Unlimited CPUs with a single DMP license



Challenges:

▪ Make sure sensitive equipment can withstand

launch vibration loads without failure.

Keys to success:

▪ Use NX Nastran

Results:

▪ Effective collaboration with partners through wide

use of NX Nastran in industry

▪ Accurately predict launch environment and

component stress levels.

Case Study

Space Research Centre – University of Leicester

“We find [NX Nastran] are

particularly effective at providing

good correlation to the actual

design environments.”

Piyal Samara-Ratna

Mechanical Engineer



Iterative Solver

▪ Effective for models with many 3D solid

parabolic elements

▪ Can be used for nonlinear problems,

including contact analysis

Benefits

▪ 4x – 10x solution time improvement

over sparse solver

1,100,000 DOF

0

20

40

60

80

100

120

140

Sparse Iterative

Ela

ps

ed

Tim

e (

min

)

Solution Time



Parallel Processing with SMP

Shared Memory Parallel (SMP)

▪ Parallelization for common math operations

– matrix multiples, factorization

▪ Part of basic license and works in all NX

Nastran solutions

Benefits

▪ Leverage multiple processors to reduce

solution run times

Applications

▪ All models

▪ Any hardware with multiple processors

and/or multi-core processors

Example: Acoustics solution

SOL 108 – Direct frequency response

Tetrahedron- Model :

Number of Grid Points: 97378

Hardware:

Intel Xeon E5-2689 2.7GHZ processor



Parallel Processing with DMP

Distributed memory parallel (DMP)

▪ Model divided into domains physical

▪ Geometric, frequency, both

Advantages

▪ Reduced elapsed execution time

▪ Smaller resource requirements

▪ Greater scalability than SMP

Engineering problems

▪ Very large finite element model

▪ Very wide frequency range of interest

Hardware environment

▪ Clusters of workstations

▪ Multiprocessors with multiple I/O channels



DMP Implementations for Modal Solutions

Geometric Domain Partitioning (GDModes)

▪ Subdivide geometry into partitions

Frequency Domain Partitioning (FDModes)

▪ Subdivide into frequency segments

▪ Computations in the frequency partitions

independent of each other

Hierarchic Domain Partitioning (HDModes)

▪ Simultaneous application of GDModes and

FDModes with hierarchic implementation

Recursive Domain Partitioning (RDModes)

▪ Recursive partitions the system matrices into

multilevel substructures

▪ Unlike other methods, eigen solution has some

approximation because of substrucuture reductions

.

KKKKKKK

KKKK

KKK

KKK

KKKK

KKK

KKK

K

tt,

to,

to,

to,

to,

to,

to

,tttt

,to

,to

,ot

,otoo

,ot

,otoo

,tttttoto

,ot

,otoo

,ot

,otoo

=

7767574737271

7666564

75655

74644

7332313

72322

71311

Frequency response function

1.0E+00

1.0E+05

1.0E+01

1.0E+02

1.0E+03

1.0E+04

100 10000 1000

-360

0

-180

Frequency (Hz)2 :41904Y- 41904Y- 4

CrankshaftCrankshaft - Suspended

13 :41904Y+ 41904Y+ 2

Analysis



DMP Scalability

Use high number of CPUs and still

increase solution performance

▪ Maximize utilization of cluster

▪ Reduce run times

▪ Solve larger models

NX Nastran focus on scalability

▪ Significant increases in scalability

between V1 and current V8

▪ Achieved by implementing improved

algorithms

▪ Latest improvement is RDModes

0

100

200

300

400

500

600

NXN 1 NXN 3 NXN 6 NXN 8

Number of Processors

GDModes

FDModes

HDModes

RDModes

RDModes



RDModes Performance Example

Auto Body Model

Model

▪ 1.3M grid points

▪ 1.2M elements

▪ 6.5M degrees of freedom

Solution Settings

▪ Modes 0 – 300 Hz (about 1000 modes)

▪ Full eigenvalue recovery

▪ NREC = 512

▪ RDSCALE = 2.0

Cluster System

▪ Siemens HP cluster

▪ Linux OS - 64 CPUs

▪ UC Berkeley cluster

▪ 900 CPUs




Auto Body Model

CPU time savings using more processors

Runs performed on UC Berkeley Cluster

0.0

20.0

40.0

60.0

80.0

100.0

120.0

1(Lanczos)

1(RDModes)

2 4 8 16 32 64 128

1.04.0

7.8

29.3

49.2

77.5

96.5

104.1 105.9

Speed Up

Number of Processors



0.00

2.00

4.00

6.00

8.00

10.00

12.00

0 - 100 0 - 200 0 - 300 0 - 400 0 - 500

1.00 1.08 1.21 1.34 1.551.00

2.41

4.67

7.44

10.93

Frequency Range (Hz)

Solution Time(Normalized)

Number of Modes(Normalized)


Auto Body Model

Computational cost for solving for more modes

Runs performed on Siemens HP Cluster using 64 processors

Solving for more modes

only marginally adds to

computational cost.



Case Study

Damping Technologies Inc.

Challenges:

▪ Accelerate the pace of R&D

▪ Quickly design application-specific damping

solutions

Keys to success:

▪ Upgrade to NX Nastran

▪ Faster hardware

▪ Good software support from FEA distributor and

Siemens

Results:

▪ Complex dynamic analyses now take about 1⁄4 as

long as previously

▪ Faster analysis throughput

▪ New knowledge leads to damping innovations

“NX Nastran was faster

but it also came with the

best support.”

Kristopher Notestine

Manager, R&D



NX Nastran









Ease of Modeling and Engineering Workflow

Objective

▪ Simplify FEA model creation

Capabilities

▪ Connection modeling

▪ Superelements

Benefits

▪ Build NX Nastran models faster

▪ Reduce modeling errors



Connection Modeling

Objective

▪ Robust, accurate solutions for

connecting incompatible meshes

Capabilities

▪ Linear contact


▪ Bolted joints

▪ Welds and fasteners

Benefits

▪ Reduced modeling time

▪ Supports system modeling



Linear Contact

Description

▪ Surface-to-surface contact in linear statics

solution (SOL 101)

▪ Shell and solid element faces

▪ Contact between non-compatible mesh faces

▪ Friction effects

▪ Included in NX Nastran Basic package

▪ Static subcases in dynamic solutions

Benefit

▪ Fast, accurate contact solution for simulations

that are otherwise linear

Typical Applications

▪ Bolted components

▪ Bearings



Glue Connection

Description

▪ Easy way to connect dissimilar meshes

▪ Types:

▪ Surface-to-surface

▪ Edge-to-surface

▪ Leverages same cards used to define contact

surfaces

▪ Applies to all NX Nastran solutions

Benefits

▪ Significantly simplifies modeling

▪ Accounts for moment transfer between shells

and solids

▪ Improved accuracy for mid-surface modeling



Continuous mesh

model

Hex/Tet glue mesh

model

Pressure load

Glue Connection Example

Turbine Blade



Glue Connection Example

Turbine Blade

Continuous Mesh

ModelHex/Tet Glue Mesh

Model

Von Mises Stress

Results within 0.4%



External Superelements

Description

▪ Improved workflow using external

superelements

▪ What is an external superelement?

▪ Reduced model of a component

▪ Used in building block assembly of system

models

▪ Makes system solutions more efficient

Benefits

▪ Easier to set up solutions

▪ Easier to obtain results on superelements

▪ Easier to integrate components from 3rd

parties

Component

FEM

Component

FEM

Component

FEM

System

FEM

Superelement

Reduction

Superelement

Reduction



NX Nastran









Advanced Applications

Objective

▪ Deliver solutions for complex

applications in a variety of industries

Applications

▪ NVH

▪ Laminate composites

▪ Multi-physics

Benefits

▪ Evaluate product performance in real-

world conditions



NX Nastran for NVH Simulation

Typical NVH Evaluations Typical Response MetricsVirtual

Tools

Physical

Test

Full Vehicle

Rough Road Steering and seat vibration, interior noise FEM w/ acoustics Road Test

Idle Shake Steering and seat vibration FEM Road Test

Engine Boom Interior Noise FEM w/ acoustics Chassis Dyno

Body

Body Stiffness Fundamental mode frequency FEM BIW Impedence Test

Suspension

Gear Shift Steering and seat vibration FEM/MBD Chassis Dyno

Harshness Steering and seat vibration FEM/MBD Road Test

Wheel Unbalance/Brake Judder Steering and seat vibration FEM/MBD Road Test

Rough Road Steering and seat vibration / interior noise FEM Road Test

Brake Squeal Mode instability FEM

Brake Groan Strut vibration FEM/MBD

Driveline

Transmission Gear Noise Case vibration/Undercarriage FEM/BEM Chassis Dyno

Axle Gear Noise Carrier vibration/Undercarriage FEM/BEM Chassis Dyno

Powertrain

Radiated Operating Noise Underhood noise level MBD/FEM/BEM Engine Dyno

Intake Noise Underhood noise level FEM/BEM Engine Dyno

Exhaust Noise Undercarriage and tailpipe noise level FEM/BEM Engine Dyno



Acoustic Structural Coupling

Description

▪ Accelerated Search (AS) algorithm for

calculating coupling matrix.

▪ Uses more efficient surface normal

projection search algorithm

▪ More than 100x performance improvement

▪ Consolidate acoustic parameters into new

case control cards

Capability included as part of NX Nastran

Basic bundle

0

50

100

150

200

250

300

350

Co

up

lin

g T

ime (

min

)

CP AS

Coupling

Computation

Time



Analysis of Laminate Composites

▪ Composite materials finding use

in expanding range of

applications

▪ Simulation of composites and

integration with design.

▪ Vistagy(A Siemens PLM Software business)

▪ Design for composites

▪ NX Laminate Composites

▪ FEA modeling for composites

▪ NX Nastran

▪ FEA solver for composites



Multi-physics

NX Nastran internal multi-physics

capabilities:

▪ Thermo-mechanical analysis

External solver integration multi-physics

capabilities:

▪ Thermo-mechanical

▪ NX Thermal → NX Nastran

▪ Fluid-structural (one way mapping)

▪ NX Flow → NX Nastran

▪ Motion-structural

▪ NX Motion → NX Nastran

▪ MSC ADAMS → NX Nastran

▪ Simpack → NX Nastran



Case Study

Changchun Institute of Optics, Fine Mechanics &

Physics (CIOMP)

Business challenge:

▪ Manage increasing complexity of optical system

design

▪ Achieve continuous growth and improvement

Solution:

▪ Implement NX & NX Nastran as integrated,

multidiscipline simulation solution

▪ Leverage extensive and highly focused training

during NX implementation

Results:

▪ Advanced simulation now facilitating mechanical

and thermal analyses

▪ Multidiscipline design practices successfully

established, including integrated and optimized

design capabilities

▪ Improved efficiency and innovation, including

streamlined development of the orbit thermal

model of the remote space sensor

"With NX, the analysis of both

the mechanical and thermal

characteristics of the entire

model can be performed

accurately, thereby streamlining

the process."

Chen Changzheng

Associate Researcher



Multi-physics

Fluid-structural Analysis

Description:

▪ Map pressure results from CFD analysis onto

dissimilarly-meshed structural model

Example: Fuel tank

▪ Evaluate fuel tank structural integrity against gas

sloshing inside

▪ One-way fluid-structural: pressure results from NX

Flow used by NX Nastran to compute stresses,

deformations

Fuel Tank

CFD FEM

Struct. FEM



Multi-physics

Fluid-structural Analysis Example

Transient CFD Results

Flow Mapping solution used to create the

NX Nastran subcases & loads



Multi-body Dynamic Interfaces

Description:

▪ Direct export of flexible body file formats

▪ ADAMS, RecurDyn, OP4, Matlab, SIMPACK

▪ Detailed stress data recovery

▪ Matrix format options

▪ Standard

▪ State-Space for controls algorithms

Benefit:

▪ Allow flexible bodies to be used in mechanism simulations

▪ Recover detailed stresses that can be used for durability

predictions

Typical Applications:

▪ Powertrain reciprocating components

▪ Machine tools

▪ Motor systems



NX Nastran









Flexibility and Openness

Siemens’ philosophy to develop open

products

Nastran formats are commonly used

as standard for CAE data exchange

Tools to widen usage and flexibility

to add custom analysis modules:

▪ DMAP



DMAP for Custom Solutions

Direct Matrix Abstraction Programming

▪ Similar to FORTRAN

▪ Provides full access to the functions of NX Nastran

▪ The language used for all solutions in NX Nastran

Modify NX Nastran solutions

▪ Add additional output

▪ Calculate additional quantities

▪ Change the way the problem is solved

Access NX Nastran database

▪ Store information for later use

▪ Retrieve information for use in other applications

Run external programs (spawn a process)

during the NX Nastran execution



Open Environment

Many complementary CAE solution

partners:

▪ Acoustics – SFE, FFT, LMS

▪ Aeroelastic – Zona

▪ Correlation – DDS

▪ Durability – Safe Technology, nCode

▪ Materials – Datapoint Labs

▪ MBD – MSC(ADAMS), Function Bay,

SIMPACK, AVL

▪ NVH – CDH

▪ Optimization – FE Design, VR&D, Test –

B&K

▪ Pre/Post – MSC (Patran), T-Systems,

Altair, TMP

▪ HPC – Platform Computing, Intel, HP,

IBM

Pre/Post

Durability

Optimization

Correlation

Acoustics



NX Nastran









Why Choose NX Nastran?

Technology:

▪ Superior connectivity modeling (Glue, linear contact, bolt preloads)

▪ New elements (Pyramid, axi-symmetric)

▪ Performance (More scalable parallel processing)

▪ Pre/Post Integration (High level integration of Nastran in NX and Femap

Pre/Post)

Licensing & Bundling:

▪ NX Nastran Basic includes functionality that requires add-

ons in other Nastran (Linear contact, glue, shared memory processing,

advanced acoustics, spot welds)

▪ NX Nastran Parallel Processing uses only one license for

any number of CPUs (Others require a license for each CPU)

Support

▪ Always reach a live person for call-in support requests

▪ Support located local to each region



Scalable Licensing and Bundling

NX Nastran Basic Bundle*

Linear static analysis

Normal modes analysis

Buckling analysis

Heat transfer analysis (steady-state and transient)

Basic implicit nonlinear analysis

Spot weld analysis

Accelerated Acoustic Coupling

NX Nastran Advanced Bundle – Add-on

Dynamic response analysis module

Aeroelasticity analysis module

Superelements analysis module

Direct matrix abstraction programming (DMAP)

Distributed memory parallel capability (DMP)

NX Nastran Optimization – Add-on

Design optimization module

NX Nastran Advanced Non-Linear – Add-on

Implicit solver

Explicit solver

NX Nastran Rotor Dynamics – Add-on

Rotor dynamics

Scalability:

▪ High-end analysis

▪ Design embedded analysis

NX Nastran Desktop:

▪ Initializes from within the CAE preprocessing

environment (NX CAE or Femap)

▪ Ideal for smaller customers without

centralized computing servers.

NX Nastran Enterprise:

▪ Can be located on a different CPU from the

preprocessing system

▪ Solve valid Nastran decks from any

preprocessor (NX CAE, Femap, MSC Patran,

Altair HyperMesh and others)

▪ Provides the most flexibility*Basic bundle is a prerequisite for all add-on modules and the

Advanced bundle



Integration with NX CAE and Femap

NASTRAN

CAE



Simulation Wizards

Part validation

Design trade-offs

Stress & vibration

Guided process

Casual CAD user

Included with any NX CAD seat

Design Simulation

Embedded in NX CAD

Part / assembly validation

Design trade-offs

Statics / modal / thermal

Design engineer

Advanced Simulation

Embedded in NX

Multi-physics environment

Powerful FE modeling tools

Statics, modal, buckling,

dynamics, thermal non-linear,

more...

Expert analyst

Problem Complexity

User

NX Nastran & NX CAE

Scalable Solutions for Product Engineering



NX Nastran Support in NX CAE

NX Nastran Environment

▪ Defined in the native NX

Nastran data model

▪ User interaction is based

on the solver language

▪ Broad capability coverage

Benefits

▪ UI in Nastran terminology

▪ Elements, loads, boundary

conditions, etc. shown as

NX Nastran terms



Other NX CAE Solutions Leveraging NX Nastran

NX Durability

Wizard

NX Advanced

Durability

NX Response

Simulation

NX FE Model

Correlation

NX Topology

Optimization

NX Motion

Flexible Body



Third-party FEA Preprocessors

ANSA Altair HyperMesh® MSC Patran others

Supported by Third-party Pre/Post

NASTRAN



GTAC

World-class Support

General CAE

▪ Broad based engineering and solver experience

▪ Nastran translator/integration experience

▪ NX, I-deas, Femap and 3rd party Pre/Post.

NX Nastran Specific

▪ Nastran specialists located in each world region.

▪ Specialist team tightly integrated across the organization

▪ Strategic partners for experiential based support

Support monitored for quality and responsiveness

▪ Positive customer feedback underlines

All requests are logged and tracked in system

▪ Requests do not get lost

▪ Performance metrics are tracked

▪ Online access to check status



Case Study

Lockheed Martin Aerospace

Background

▪ Builds aeronautic vehicles for US military (F-22 Fighter, F-35 Joint Strike Fighter, C-130

Hercules)

▪ Used MSC Nastran for many years

along with MSC Patran

Standardized to NX Nastran

▪ Very easy transition – could produce

same results as MSC Nastran

▪ Liked unique capabilities of NX Nastran

for contact and glue connections

▪ Cost effective site-wide licenses across

multiple locations



Why Siemens?

Major Investments in CAE for Product Development

“The integration of product development, simulation and validation is

now at the top of our agenda.”

Anton Huber, CEO

Siemens Industry Automation

“We are investing heavily in CAE … for multi-disciplinary analysis

throughout the product definition cycle.”

Chuck Grindstaff, CEO




Develop products

faster

Increase product

quality

Reduce

costs

Smarter decisions, better products




Thank You

Smarter Decisions,

Better Products

nx nastran - avasis.biz · nx and femap for modeling, nx nastran for numerical model validation...

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