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Bridging Your Innovations to Realities

Bridging Your Innovations to Realities Midas Civil

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Detail analysis in midas Civil

Available Detail Analysis in midas Civil

Linear Static Analysis Nonlinear Static Analysis

Buckling Analysis Heat Transfer Analysis & Heat of Hydration Analysis


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Nonlinear static analysis

• High end analysis functions to represent nonlinear behaviors of structures after elastic limits

• Various hardening models, which define the behaviors from the elastic limits to maximum stress points (Isotropic hardening, Kinematic hardening & Mixed hardening)

• Various failure models frequently encountered in civil engineering practice (Tresca, Von Mises, Mohr-Coulomb & Drucker-Prager)

• Cyclic Load function using the loading sequence function to represent the nonlinear behaviors of structures subjected to cyclic loads


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Nonlinear Shell Element

• Good convergence for nonlinear analysis using shell elements, which reflect large displacements & large rotations

• Representation of material nonlinearity of degenerated shell elements by integrating stresses in the thickness direction using a layered approach

• Plastic zone display function, which shows the status of yielding of shell elements in the thickness direction to obtain detail information on material nonlinearity

• Material & geometric nonlinear analysis functions to carried out detail analyses of steel structures consisted of steel box, steel plate & I-beam sections


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Simultaneous analysis of geometric & material nonlinearity

Analysis results of a reduced symmetry model expanded to a full model to observe nonlinear behaviors & deformed shape using the Mirror function

View function supported to display plastic zones to identify the status of yielding at integration points

Animation function provided to examine rather large deformation & stress redistribution in real time

Results of geometric - material nonlinear analysis readily verified by Stage/Step History Graph Material &


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Heat Transfer Analysis - Steady State Analysis - Time Transient Analysis

Heat of Hydration Analysis - Thermo-elastic Analysis - Maturity, Creep, Shrinkage, Pipe Cooling


Thermal Analysis

Without Cooling Pipes With Cooling Pipes


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Detail analysis in midas FEA

Analysis Capability of midas Civil

Static Analysis Construction Stage Analysis Moving Load Analysis Modal Analysis Linear Buckling Analysis Transient / Frequency / Spectrum Response Analysis Material / Geometry Nonlinearity Analysis Interface Nonlinearity Analysis Reinforcement Analysis Cracking Analysis Static/Explicit Contact Analysis Heat Transfer Analysis Fatigue Analysis Fluid Dynamics Analysis


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Applicable Problems General detail FE analysis (linear static/dynamic analysis of concrete and steel) Buckling analysis of steel structure with material and geometric nonlinearity

Detail analysis of composite structure (steel + concrete)

Thermal analysis and differential shrinkage analysis of steel-concrete composite girder, concrete filled steel tube and core of the SRC pier and so on 3D detail analysis considering steel, concrete and reinforcement simultaneously Detail analysis of CFT and analysis of the long-term behavior

(differential settlement) Crack initiation and propagation in concrete structure Discrete modeling and analysis of masonry Composite modeling and analysis of wall in shear Detail analysis for tendon anchorage

General Detail Analysis (Linear, Material/Geometry Nonlinear)

Concrete, Interface and Reinforcement Nonlinear Analysis


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Applicable Problems

Analysis of heat of hydration (general, special, nonlinear) Detail analysis for assessment of shear capacity of pavement (de-bonding failure) Analysis of thermal effect due to the asphalt pavement (guss asphalt) Fire effect on a reinforced concrete slab Evaluation of residual stress and integrity of welded part

Crack and fatigue analysis of the surface of structures Damage estimation of pier/waterbreak impacted by ship Life-cycle prediction of steel-box bridges based-on moving load analysis Fluid dynamics analysis of bridges, high-rise buildings and tunnels Semi-coupled fluid-structure interaction analysis Direct analysis of soil-structure interaction High-end detail analysis (crash, fatigue, fracture mechanism)

Thermo-Elastic Analysis (Heat Transfer, Heat of Hydration)

Special Analysis (CFD, Contact, Fatigue, etc.)


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Framework of midas FEA

Work Window

Output Window

Property Window

Works Tree

Main Menu Tabbed Toolbar

Task Pane

Table Window


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Frame to Solid/Plate Model

Convert frame model and PSC section types in midas Civil into plate/solid models in midas FEA Convert tendon profiles

and embed them as bars from midas Civil into midas FEA


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Mesh Generation

Includes advanced meshing function : Auto-Mesh, Map-mesh & manual generation Mesh extraction method from

2D/3D mesh sets or directly from a geometry object Capability of generating 3D

mesh for complex shapes using 2D Mesh sets


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Automatic Surface/Solid Meshing

Supports advanced meshing functions for complex geometry modeling : Manifold and on-manifold shapes Provides advanced mesh

function such as Hybrid Meshing, Sub-Meshing as well as Auto-mesh, Map-mesh Fast mesh generation:

200,000 tetra elements per-minute


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Mesh Size Control/Quality Assurance

Various size control functions available to modify density of nodes and elements for complex geometry or variation of material properties Advanced size control functions such as Adaptive Seeding, which automatically controls mesh density based on shape characteristics Standard Mesh quality and assurance features to detect incompatibility or poor element quality


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Application Area


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Application Area


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Cracking Analysis

Includes TSC (Total Strain Crack) for concrete crack analysis: Fixed and Rotating models Includes Reinforcement Analysis

to portray the main concrete tension reinforcement Incorporate impact of rebar in

tensile behavior of concrete structures Include analysis results and

visualization of crack pattern, direction and status of the element


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Fatigue Analysis

Fatigue Analysis : Display structure failure phenomenon based on a cyclic loading pattern with reduced yield strength Calculate stress amplitude

Applying Rainflow Counting & S-N Curve Calculating the fatigue life (life cycle) and extent of damage


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CFD Analysis

Investigate bridge’s stability resistance to wind by visually determining airflow pattern Perform Steady state analysis /

Unsteady analysis and Laminar Flow / Turbulence Flow analysis Calculate aerodynamic force

coefficients and determine pressure distribution & turbulence kinetic energy


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Comparison between midas Civil and FEA

Comparison Chart

Analysis Type Midas Civil Midas FEA

Linear static analysis V V

Eigenvalue analysis V V

Dynamic analysis V V

Reinforcement analysis V*

(No embedded reinforcement, No tendon in plate/solid elements)

V

Heat of hydration analysis V V

Interface nonlinear analysis N/A V

Contact analysis N/A V

Nonlinear static analysis V V

Cracking analysis N/A V

Fatigue analysis N/A V

Heat transfer/stress analysis V V

CFD analysis N/A v


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Comparison between midas Civil and FEA

Comparison Chart

Pre/Post-Processing Midas Civil Midas FEA

Plate/Shell V* (No high order element) V

Solid V* (No high order element) V

Curved line/plate elements N/A V

Interface element N/A V

Embedded element N/A V

Surface Mesh (Auto-mesh, Map-mesh, Hybrid Mesh, Sub-Mesh)

V* (No Hybrid mesh and sub-mesh) V

Solid Mesh (Auto-mesh, Map-mesh, Hybrid Mesh, Sub-Mesh)

V* (No Hybrid mesh and sub-mesh) V

Mesh Size Control N/A V

Mesh Quality Assurance N/A V

Iso Surface Plot V V

Local Direction Force Sum V V

Extract result in a table V V

Bridging Your Innovations to Realities

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bridging your innovations to realitiesadmin.midasuser.com/uploadfiles2/webinar/20120621... ·...

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