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- #Ansys 15 structural analysis guide how to#
- #Ansys 15 structural analysis guide manual#
- #Ansys 15 structural analysis guide plus#
- #Ansys 15 structural analysis guide free#
To employ these fluid elements, users will need to create the element types for the Ansys model with the ET command, set KEYOPT values to choose desired options (such as incompressibility), set relevant material properties with MP and TB commands, and enter a Real Constant with the R command if a reference pressure for compressible gas is to be included.
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The problem shows how loading on the container and container deformation affect the pressure, volume, density and mass of the contained fluid.”
#Ansys 15 structural analysis guide how to#
“This example problem demonstrates how to model a fluid that is fully enclosed by a solid (the container). Hydrostatic Fluid Analysis of an Inflating and Rolling Tire For FLUID116 elements that are directly or indirectly connected to hydrostatic fluid element, you must set KEYOPT(1) = 3 to convert the fluid element mass flow rate to volume change (for compatibility with the hydrostatic fluid elements).”įor further self-study, the Technology Demonstration Guide has a somewhat complex example of using the HSFLD242 element in a model with fluid compressibility, shell elements, transient behavior, and other details: However, more FLUID116 elements can be added if the actual geometry of the connection needs to be modeled. A single FLUID116 element connecting the pressure nodes of two different hydrostatic fluid elements is sufficient to model the flow. “FLUID116 elements can be used to model fluid flow between hydrostatic fluid elements, (HSFLD241 or HSFLD242).
#Ansys 15 structural analysis guide manual#
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. 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.
#Ansys 15 structural analysis guide free#
“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 structural analysis guide 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.