60 lines
2.2 KiB
Markdown
60 lines
2.2 KiB
Markdown
---
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type: concept
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title: "Midas Civil Moving Load Bridge Analysis"
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created: 2026-06-02
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updated: 2026-06-02
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address: c-000170
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aliases:
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- MIDAS Civil moving load analysis
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- midas Civil vehicle load analysis
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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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- "[[Finite Element Load Vector Assembly]]"
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- "[[Finite Element Modeling and Convergence Checks]]"
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- "[[Static Equilibrium Equation Solvers]]"
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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_053.md"
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- "MidasCivilAnalysisReference_051.md"
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md_indices:
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- 53
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- 51
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match: "heuristic-heading-keyword"
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confidence: medium
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---
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# Midas Civil Moving Load Bridge Analysis
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## Definition
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Midas Civil moving load bridge analysis is the vehicle-load generation and placement workflow for bridge structures.
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## How It Works
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The analysis reference distinguishes lanes, traffic surface lanes, vehicle definitions, moving loads, and vehicle placement conditions. The workflow is load generation on top of the finite element model: vehicle axle or wheel loads are placed over admissible lanes or surfaces, then critical effects are evaluated through combinations or influence-style searches.
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## Solver Development Notes
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- Lane geometry and traffic surface definitions should be data structures, not manual load cases only.
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- Load generation must convert vehicle position into equivalent nodal or element loads.
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- Critical response extraction requires response components, envelopes, and placement metadata.
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- Reference comparisons should include displacement, reaction, member force, and stress envelopes for simple bridge models.
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## Connections
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- [[Finite Element Load Vector Assembly]] covers load conversion into the global RHS.
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- [[Static Equilibrium Equation Solvers]] provides the repeated linear solve context.
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- [[Finite Element Modeling and Convergence Checks]] covers mesh and result-sensitivity checks.
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