김경종
64 lines
2.8 KiB
Markdown
64 lines
2.8 KiB
Markdown
---
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type: concept
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title: "Midas Civil Special Load and Design Utilities"
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created: 2026-06-02
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updated: 2026-06-02
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address: c-000171
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aliases:
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- MIDAS Civil special utilities
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- midas Civil support settlement and wave loads
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tags:
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- concept
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- finite-element-method
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- midas-civil
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- bridge-analysis
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- loads
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status: current
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related:
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- "[[Midas-Civil-Analysis-Reference|Midas Civil Analysis Reference]]"
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- "[[midas Civil]]"
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- "[[Midas Civil Moving Load Bridge Analysis]]"
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- "[[Midas Civil PSC and Prestress Loss Analysis]]"
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- "[[Abaqus Structural Optimization and Parametric Studies]]"
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sources:
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- "[[Midas-Civil-Analysis-Reference|Midas Civil Analysis Reference]]"
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source_refs:
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- source: "[[Midas-Civil-Analysis-Reference|Midas Civil Analysis Reference]]"
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raw_path: ".raw/MidasCivilAnalysisReference/"
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raw_files:
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- "MidasCivilAnalysisReference_057.md"
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- "MidasCivilAnalysisReference_056.md"
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- "MidasCivilAnalysisReference_052.md"
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- "MidasCivilAnalysisReference_053.md"
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md_indices:
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- 57
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- 56
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- 52
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- 53
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match: "heuristic-heading-keyword"
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confidence: high
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---
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# Midas Civil Special Load and Design Utilities
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## Definition
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Midas Civil special load and design utilities are the analysis-reference workflows that sit around the core FE solve: support-settlement combinations, before/after composite-section analysis, unknown-load optimization, arbitrary-shape column design, and wave-load generation.
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## How It Works
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Support settlement auto-consideration generates settlement cases or combinations. Steel composite section before/after composite analysis changes section stiffness as composite action develops. Unknown load solution uses optimization to identify loads that satisfy target responses. Arbitrary-shape column design includes moment magnification, long-column effects, braced/unbraced classification, 3D P-M interaction, and shear design. Wave load generation includes offshore member wave forces and wave theories such as Airy, Stokes, stream function, cnoidal, and solitary waves.
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## Solver Development Notes
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- Some production features are model generators or postprocessors rather than new FE equations.
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- Optimization-based load identification needs a clear objective, constraints, design variables, and verification against the recovered target response.
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- Design utilities require traceable mapping from FE force output to code-check quantities.
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- Wave and settlement generators should be tested at the load-vector/envelope level before full-structure tests.
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## Connections
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- [[Midas Civil Moving Load Bridge Analysis]] is another load-generation workflow.
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- [[Midas Civil PSC and Prestress Loss Analysis]] shares staged section and bridge-design concerns.
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- [[Abaqus Structural Optimization and Parametric Studies]] gives a broad optimization comparison point.
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