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midas FEA

midas FEA

Product catalog summary

Overview: The document provides a detailed guide on midas FEA, an advanced nonlinear and detailed analysis system tailored for civil and structural engineering, particularly in bridge and structural engineering. It highlights the software's capabilities in modeling, visualization, and simulation for complex structures such as concrete, masonry, steel, and composite structures.

Key Features:

Intuitive Interface: Offers a task-oriented user interface with automatic mesh generation and manipulation.
Reliability: Certified for ISO 9001, ensuring reliable and accurate solutions.
Versatility: Supports various analysis features, including static and dynamic load conditions, with fast analysis speeds.
Practicality: Provides tools for evaluating results, defining construction stages, and generating reports.

Application Areas:

Heat Transfer: Includes steady-state and transient analysis, heat generation, conduction, convection, and pipe cooling.
Concrete Behavior: Analyzes creep, shrinkage, compressive strength, and adheres to design codes.
Parametric Analysis: Supports multiple material sets, boundary conditions, and construction sequences.

Analysis Capabilities:

Linear Static Analysis: Features multiple load cases, extensive element library, and various equation solvers.
Eigenvalue Analysis: Includes modal analysis and linear buckling analysis.
Dynamic Analysis: Offers transient and frequency response analysis, spectrum response, and seismic data generation.
Reinforcement Analysis: Supports embedded bars and grids, post-tensioned prestress, and material nonlinearity.
Cracking and Fatigue Analysis: Provides methods for analyzing crack patterns, fatigue cycles, and safety factors.

Pre-Processor Features:

Mesh Generation: Automatic surface and solid meshing with advanced functions like hybrid meshing and sub-meshing.
Mesh Quality Assurance: Includes checks for free edges, faces, and manifold edges, ensuring high-quality mesh generation.

Key Sections:

Concrete Crack Models and Prestressing Tendons: Discusses modeling of concrete cracks and the role of prestressing tendons in PSC box bridges.
Heat Transfer and Thermal Stress Analysis: Explores heat transfer analysis in structures, considering conduction, convection, and radiation.
Contact Analysis: Details simulation of contact behavior in structural parts, including frictional behavior and nonlinear material models.
CFD and Fatigue Analysis: Describes the use of computational fluid dynamics for airflow patterns and fatigue analysis for structural failure under cyclic loading.
Result Visualization and Extraction: Provides tools for extracting and visualizing analysis results, including contour plots and load-displacement graphs.
Geometry Modeling and Construction Stage Analysis: Covers modeling of complex structures and analysis of construction stages for stress distribution and stability.
Specialized Applications: Includes analysis of steel box girders, heat of hydration analysis, and fire analysis for underground structures.

Critical Information:

Analysis Techniques: Emphasizes nonlinear analysis, parametric analysis, and high-order elements for accurate results.
Modeling Strategies: Highlights detailed geometry modeling and consideration of construction stages in analysis.
Visualization Tools: Provides intuitive tools for result visualization, aiding in verification and illustration of analysis outcomes.
Applications in Civil Engineering: Showcases specialized applications, including bridge stability analysis, crack analysis, and thermal stress examination.

Conclusion: midas FEA is a state-of-the-art software solution offering a robust platform for advanced nonlinear and detailed analysis in civil engineering, providing powerful tools for modeling, analysis, and visualization.

Catalog excerpts

Advanced Nonlinear and Detail Analysis System One Stop Solution for Civil Structures

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Headquarters Branch Offices Sales Office MIDAS IT China / Beijing Rm.1307, 13th Floor, Fangyuan 56(Yi), Zhongguancun Nan da Jie Haidian District, Beijing, China +86 010 51658210 / [email protected] MIDAS R&D Center India / Mumbai 804 & 805, 8th Floor, Maithili's Signet, Plot No. 39/4, Sector 30A Vashi, Navi Mumbai – 400705 +91 22 6721 1001~3 / [email protected] MIDAS IT Japan / Tokyo Akihabara OS Building 7th fl., 5-3-1 Sotokanda, Chiyoda-ku, Tokyo, 101-0021, Japan +81 3 5817 0789 / [email protected] MIDASoft USA / New York 5 Penn Plaza, Suite 2324 New York, NY 10001, USA +1 212 835...

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Advanced Nonlinear and Detail Analysis System midas FEA About midas FEA Advanced Nonlinear and Detail Analysis System 2006.11.Strategic alliance with TNO DIANA Why midas FEA? 02. Easy Intuitive Framework Task-oriented User Interface Modeling complex 3D geometries Automatic Mesh Generation Mesh manipulation 05. Reliable MIDAS Quality Control System (MQCS) Certification for ISO 9001 Verifications Examples Responsive user support 01. Unique Distinct and sophisticated visual interface Versatile representations of analysis results Powerful geometry modeling capabilities 04. Practical Evaluation of...

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Advanced Nonlinear and Detail Analysis System midas FEA Application Areas Advanced Nonlinear and Detail Analysis System 3 Heat Transfer - Steady-State / Transient - Heat Generation - Conduction - Convection - Pipe Cooling Concrete Behavior - Creep / Shrinkage - Compressive Strength - Design Codes (JCI, JSCE, etc.) Parametric Analysis - Mutiple Material Sets - Multiple BCs & Heat Sources - Multiple Construction Sequences 01. Linear Static Analysis Multiple Load Cases & Combination Output Control (Data, Node, Element) Result Coordinate System Extensive Element Library Equation Solvers - Direct...

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Advanced Nonlinear and Detail Analysis System midas FEA Application Areas Advanced Nonlinear and Detail Analysis System 4 07. Contact Analysis Contact Type - Weld Contact, General Contact Behaviors - Material Nonlinearity - Geometry Nonlinearity Result - Displacement - Stress - Contact force 08. Nonlinear Static Analysis Material Nonlinearity - von Mises, Tresca, Mohr-Coulomb, Drucker-Prager, Rankine, User Supplied Material Geometric Nonlinearity - Total Lagrangian, Co-rotational Iteration Method - Full Newton-Raphson, Modified Newton-Raphson, Arc-Length Method, Initial Stiffness 09. Cracking...

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Providing an integrated and efficient work environment for Modeling, Visualization and Simulation Graphical User Interface midas FEA - Framework 01. Works Tree Main Menu Property Window Observer / Navigation Window Tabbed Toolbars Output Window Status Bar Context Menu Task Pane A new concept tool, which enables the user to freely set optimal menu system A new concept menu system comprising frequently used menu Procedural sequence defined by the user for maximum efficiency Auto-links to manuals, technical papers and tutorials Links to corresponding dialog boxes for ease of checking input data...

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Tresca Von-Mises Rankine Initial Stiffness Newton-Rahpson Modified Newton -Rahpson Arc-Length Drucker-Prager Mohr-Coulomb Material Models von Mises Tresca Mohr-Coulomb Drucker-Prager Rankine User-Supplied Material Material Nonlinearity Hardening (Iso/Kinematic/Mixed) Softening Failure Criteria Geometric Nonlinearity Total Lagrangian Co-rotational Iteration Method Full Newton-Raphson Modified Newton-Raphson Arc-Length Method Initial Stiffness Supports the design response spectrum based on seismic database library Provides time history analysis by Direct Integration Method and Modal Time History...

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Cracking Models Total Strain Crack - Fixed Crack Mode & Rotating Crack Model Discrete Crack Mode - Interface Nonlinearity Results Crack Pattern (Crack Stress/Strain) Element Status - Cracking: Partially/Fully Open, Closed, Not Yet - Plasticity: Previously Plastic, Elastic, Plastic, Critical - Contact : No Contact, Slip, Stick Reinforcements (Rebar & Tendon) Embedded Bar/Grid Line Type Applied to Plate, Solid & Plain Stress Point Type Applied to Plain Strain & Axisymmetric Prestressing Tendon Pretension & Post-Tension Short-Term Loss: Friction, Slip & Elastic Deform ation Long-Term Loss: Relaxation...

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Perform contact analysis for structural parts (joint & connections) to simulate connections, cyclic loadings and contact frequency (Considering linear and nonlinear material models) Penalty method assigned for springs between contacting surface and node Simulate frictional behavior for heterogeneous material such as reinforced concrete, etc. Provides 5 interface models to describe nonlinear behavior of heterogeneous material at contact surfaces Interface Model: Coulomb Friction, Discrete Cracking, Crack Diatancy, Bond-slip,Combined (Cracking-shearing-Crushing) Interface Nonlinear Analysis Static...

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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 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 Fatigue Analysis CFD (Computational Fluid Dynamics) Analysis Methods...

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Extract Results : Extract results directly from nodes or elements for all the stages Probe Results : Display tags on nodes or elements with corresponding results Easily filter Min or Max results using Probe Results Type of Plots / Interactive Legend Control Extract Result / Probe Result Intuitive graphical output functions to verify and illustrate the analysis results Control range of contour or color spectrum with Legend Control function Original Plot Clipping Plot Illustrate cross-sectional results by defining an arbitrary cutting surface. Hybrid Plot Illustrate contour plot and vector plot...

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