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Quoting the Elements Manual description of FLUID116: “The following topics related to using hydrostatic fluid elements are available:Įxample Model Using Hydrostatic Fluid Elementsĭescription of the HSFLD242 element also comments “This element can be used in linear and nonlinear static and transient analyses and modal analyses.” In more complex applications, these hydrostatic fluid elements can interact with FLUID116 elements in order to capture simplified movement of fluid from one “container” to another. For more information, see HSFLD241 – 2-D Hydrostatic Fluid and HSFLD242 – 3-D Hydrostatic Fluid in the Mechanical APDL Theory Reference. “These elements are formulated for linear and nonlinear static and transient dynamic applications. HSFLD241 for 2-D models (plane stress, axisymmetric, or plane strain) “Hydrostatic fluid elements are used to model fluids that are fully enclosed by solids (containers). Their Ansys use is described in the v14.0 Structural Analysis Guide, Chapter 18: Users should familiarize themselves with the “HSFLD242 3-D Hydrostatic Fluid” and the “HSFLD241 – 2-D Hydrostatic Fluid” elements before proceeding. This document illustrates HSFLD242 elements in a simplified solid model of a capped pipe during modal analysis in Workbench. The Workbench Mechanical interface does not directly support these fluid elements, but they can be brought into a model with APDL Commands Objects in the Outline. These elements can include or ignore fluid compressibility and thermal expansion, and have options to interact with FLUID116 coupled thermal-fluid pipe elements.
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These hydrostatic fluid elements are included in models by “painting” the inner surfaces that touch the fluid with the ESURF command. Two Ansys product variable licenses support solving with these elements-Mechanical and Multiphysics. “Contained” means they do not include a free surface, and so are not used to model “sloshing” movements of a liquid with a free surface.
Ansys 15 magnitude plus#
They permit an Ansys Finite Element Model to include a contained fluid inside a shell or solid model of a container, in order to capture the effect of fluid pressure and fluid mass on linear, modal dynamic, plus nonlinear static and transient dynamic models. release version 13.0 introduced the HSFLD242 3-D Hydrostatic Fluid and HSFLD241 2-D Hydrostatic Fluid elements. Industrial Equipment and Rotating MachineryĪnsys.Torsional Vibration Measurements Testing.Structural & Thermal Applications (FEA).Particle Simulation Applications (Rocky DEM).Forensic Engineering & Expert Witnesses.Fluid Flow & Thermal Applications (CFD).Electronic and Electrical Applications (EM).