김경종
63 lines
2.8 KiB
Markdown
63 lines
2.8 KiB
Markdown
---
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type: concept
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title: "Abaqus Fluid Acoustic Eulerian and Particle Elements"
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complexity: advanced
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domain: computational-mechanics
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created: 2026-06-01
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updated: 2026-06-01
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address: c-000113
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aliases:
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- Abaqus acoustic elements
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- Abaqus Eulerian elements
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- Abaqus particle elements
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- Abaqus fluid pipe elements
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tags:
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- concept
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- finite-element-method
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- abaqus
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- eulerian
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- acoustic
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- particle-methods
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- fluid-elements
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status: current
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related:
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- "[[Abaqus-Analysis-User-s-Guide-Volume-IV|Abaqus Analysis User's Guide Volume IV]]"
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- "[[Abaqus Eulerian and Particle Methods]]"
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- "[[Abaqus Continuum Element Families]]"
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- "[[Abaqus Multiphysics Coupling and Co-simulation]]"
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- "[[Finite Element Heat Transfer and Field Problems]]"
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- "[[Direct Time Integration Methods]]"
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sources:
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- "[[Abaqus-Analysis-User-s-Guide-Volume-IV|Abaqus Analysis User's Guide Volume IV]]"
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---
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# Abaqus Fluid Acoustic Eulerian and Particle Elements
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## Definition
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Abaqus fluid, acoustic, Eulerian, and particle elements support nonstandard continuum, flow, acoustic, granular, and mesh-free analysis workflows.
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## How They Work
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The continuum chapter includes acoustic and fluid continuum element libraries, while the special-purpose chapter includes Eulerian, fluid pipe, and fluid pipe connector elements. Eulerian elements in Abaqus/Explicit allow material to flow through a fixed mesh and can interact with Lagrangian elements through general contact.
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The particle chapter separates discrete particle elements from continuum particle elements. `PD3D` is a one-node discrete particle element for DEM-style rigid spherical particles. `PC3D` is a one-node continuum particle element for SPH-style continuum particle analysis.
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Fluid pipe and fluid pipe connector elements model incompressible pipe flow with pore-pressure-type degrees of freedom. Acoustic and acoustic interface elements support pressure-wave and fluid-structure interaction abstractions.
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## Why It Matters
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These element families are chosen when mesh motion, acoustic pressure, pipe flow, or particulate behavior is the modeling focus. They are not simple substitutes for standard Lagrangian solid elements; they change the kinematics, degrees of freedom, and output expectations.
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## Connections
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- [[Abaqus Eulerian and Particle Methods]] explains the analysis techniques that consume Eulerian, DEM, and SPH elements.
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- [[Abaqus Multiphysics Coupling and Co-simulation]] supplies the broader coupling context for acoustic and fluid-structure workflows.
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- [[Finite Element Heat Transfer and Field Problems]] covers the non-structural field-problem background.
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- [[Direct Time Integration Methods]] is important for Explicit particle and Eulerian workflows.
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## Sources
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- [[Abaqus-Analysis-User-s-Guide-Volume-IV|Abaqus Analysis User's Guide Volume IV]]
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