김경종
53 lines
2.2 KiB
Markdown
53 lines
2.2 KiB
Markdown
---
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type: concept
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title: "Transient Dynamic Elasto-Plastic Analysis"
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complexity: advanced
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domain: computational-mechanics
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created: 2026-06-02
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updated: 2026-06-02
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address: c-000139
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aliases:
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- dynamic elasto-plastic finite element analysis
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- transient plasticity analysis
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tags:
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- concept
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- finite-element-method
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- plasticity
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- dynamics
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- nonlinear-analysis
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status: current
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related:
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- "[[Finite Element Plasticity]]"
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- "[[Direct Time Integration Methods]]"
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- "[[Nonlinear Newmark-Beta Integration]]"
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- "[[Dynamic Buckling Analysis]]"
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- "[[Abaqus Explicit Analysis Efficiency Techniques]]"
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sources:
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- "[[Finite-Elements-in-Plasticity-Theory-and-Practice|Finite Elements in Plasticity: Theory and Practice]]"
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---
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# Transient Dynamic Elasto-Plastic Analysis
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## Definition
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Transient dynamic elasto-plastic analysis solves finite element motion with inertia, time-dependent loading, nonlinear geometry or large displacement effects, and plastic material response.
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## How It Works
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The source presents explicit transient dynamic analysis and implicit-explicit transient dynamic analysis for elasto-plastic problems. In these workflows, the global equations include mass and inertia terms while the material state at integration points evolves plastically during each time increment.
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The implementation challenge is coupled: time integration must satisfy stability and accuracy requirements, and the material update must remain consistent with rapidly changing strain rates and plastic zones.
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## Why It Matters
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Dynamic plasticity appears in impact, rapid loading, dynamic buckling, forming, collapse, and other problems where a static plastic solution misses inertia effects. It also connects directly to solver architecture because explicit and implicit schemes expose different cost, stability, and tangent requirements.
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## Connections
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[[Direct Time Integration Methods]] supplies the time-stepping foundation. [[Nonlinear Newmark-Beta Integration]] is the implicit nonlinear dynamics pattern. [[Abaqus Explicit Analysis Efficiency Techniques]] is the Abaqus production counterpart for explicit dynamic cost control.
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## Sources
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- [[Finite-Elements-in-Plasticity-Theory-and-Practice|Finite Elements in Plasticity: Theory and Practice]]
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