김경종
82 lines
5.4 KiB
Markdown
82 lines
5.4 KiB
Markdown
---
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type: source
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title: "Midas FEA Analysis Manual"
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source_type: manual
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publisher: "[[MIDAS Information Technology]]"
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product: "[[midas FEA]]"
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created: 2026-06-02
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updated: 2026-06-02
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address: c-000142
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aliases:
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- Midas FEA Analysis and Algorithm Manual
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- MIDAS FEA Analysis Manual
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- midas FEA Analysis Manual
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tags:
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- source
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- finite-element-method
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- midas-fea
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- analysis-manual
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- nonlinear-analysis
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status: current
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raw_path: ".raw/MidasFEAAnalysisManual/"
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source_files:
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markdown_files: 51
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markdown_bytes: 739213
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image_files: 1624
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image_bytes: 14029312
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related:
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- "[[MIDAS Information Technology]]"
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- "[[midas FEA]]"
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- "[[midas Civil]]"
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- "[[midas NFX]]"
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- "[[Midas-Civil-Analysis-Reference|Midas Civil Analysis Reference]]"
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- "[[Midas-NFX-Analysis-Manual|Midas NFX Analysis Manual]]"
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- "[[Midas FEA Analysis Workflow]]"
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- "[[Midas FEA Element Library]]"
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- "[[Midas FEA Concrete Cracking and Material Models]]"
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- "[[Midas FEA Nonlinear Solution Algorithms]]"
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- "[[Midas FEA Linear Dynamics and Buckling Analyses]]"
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- "[[Midas FEA Heat Transfer and Hydration Analysis]]"
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- "[[Midas FEA Static Contact Analysis]]"
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---
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# Midas FEA Analysis Manual
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## Scope
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This source is the analysis and algorithm manual for [[midas FEA]], a civil and bridge-oriented nonlinear detail analysis program from [[MIDAS Information Technology]]. The raw source covers element formulations, material models, general algorithms, linear analysis procedures, construction stage analysis, heat transfer and hydration, contact, fatigue, and CFD.
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The manual is useful in this vault because it adds a second production-solver reference beside the Abaqus manuals. Abaqus pages describe a broad general-purpose FE platform; the Midas manual emphasizes civil structural nonlinear analysis, concrete cracking, construction stages, hydration heat, static contact, fatigue checks, and wind-related CFD.
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[[Midas-Civil-Analysis-Reference|Midas Civil Analysis Reference]] is the sibling MIDAS product reference for bridge/civil member analysis, seismic procedures, staged construction, prestress, moving loads, and civil design utilities. [[Midas-NFX-Analysis-Manual|Midas NFX Analysis Manual]] is the sibling MIDAS reference for general-purpose structural, field, contact, fatigue, optimization, and forming-limit analysis workflows.
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## Extracted Threads
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- [[Midas FEA Analysis Workflow]] - how the manual packages modeling, solver choice, analysis procedure, and result interpretation.
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- [[Midas FEA Element Library]] - truss, beam, plane stress, plate, plane strain, axisymmetric, solid, spring, rigid link, and geometric-nonlinearity element coverage.
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- [[Midas FEA Embedded Reinforcement Modeling]] - rebar bar and grid reinforcement embedded in continuum or plate host elements, including prestress context.
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- [[Midas FEA Interface Elements and Nonlinearities]] - point, line, and surface interfaces plus crack, bond-slip, friction, and masonry-joint nonlinearities.
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- [[Midas FEA Concrete Cracking and Material Models]] - plasticity, total strain crack models, concrete tension/compression behavior, and interface material laws.
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- [[Midas FEA Nonlinear Solution Algorithms]] - boundary/load handling, equation solvers, Newton variants, arc-length iteration, and convergence checks.
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- [[Midas FEA Linear Dynamics and Buckling Analyses]] - static, modal, time history, response spectrum, and eigenvalue buckling workflows.
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- [[Midas FEA Construction Stage Analysis]] - activation/deactivation, concrete age, creep, shrinkage, and stage-wise load/state transfer.
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- [[Midas FEA Heat Transfer and Hydration Analysis]] - heat transfer, hydration heat, equivalent age, thermal stress, and crack ratio output.
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- [[Midas FEA Static Contact Analysis]] - penalty contact, contact search, master/slave choice, weld contact, and general contact.
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- [[Midas FEA Fatigue Analysis]] - stress-life fatigue, rainflow counting, mean stress correction, and Miner damage.
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- [[Midas FEA CFD Analysis]] - 2D structured-grid RANS CFD for wind-load and aerodynamic coefficient workflows.
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## Solver Development Value
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For custom solver development, the manual is most valuable as a reference for production-level feature boundaries. It shows which choices must be made explicit in requirements and tests: element family, nonlinear material law, boundary/load conversion, direct versus iterative solver selection, convergence criteria, modal/eigen extraction, construction stage state transfer, contact search, and result quantities.
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## Connections
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- [[Finite Element Method]] gives the shared discretization base.
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- [[Finite Element Program Implementation]] frames the input, assembly, solve, recovery, and output contract.
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- [[Nonlinear Finite Element Analysis]] gives the common incremental solution context.
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- [[Finite Element Plasticity]], [[Plasticity Yield Criteria]], and [[Plastic Flow Rules and Hardening]] connect to the manual's plastic material model descriptions.
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- [[Finite Element Contact Formulation]] connects to Midas contact and interface behavior.
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- [[Finite Element Heat Transfer and Field Problems]] and [[Finite Element Thermal Stress Analysis]] connect to the thermal and hydration workflows.
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- [[Midas-Civil-Analysis-Reference|Midas Civil Analysis Reference]] connects the same MIDAS ecosystem to bridge-oriented structural analysis and design workflows.
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- [[Midas-NFX-Analysis-Manual|Midas NFX Analysis Manual]] connects the same MIDAS ecosystem to broader general-purpose FE solver-kernel workflows.
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