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Finite Element Analysis (FEA) Videos

Mapping Stresses using an External Data System

Mapping Stresses using an External Data System

There are times when customers would like to map a result from one analysis into another, or to move tabulated data from an external file into an ANSYS Workbench Mechanical system.

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Buckling Analysis with Thermal Expansion

Buckling Analysis with Thermal Expansion

When thermal expansion causes compressive stresses, structural buckling can result. This video explores three ways to analyze buckling caused by thermal expansion.

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Spatially Varying Tangential Pressure

Spatially Varying Tangential Pressure

In this video, we show a means of creating a spatially varying tangential pressure by inserting APDL commands in the Workbench Mechanical Outline for an environment.

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Plot Thermal Conductivity

Plot Thermal Conductivity

In a thermal model with temperature-dependent thermal conductivity, it can be of interest to users to view the thermal conductivity that results from the temperature solution.

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Sweep with Solid Shell Elements

Sweep with Solid Shell Elements

Flat and curved plates can be swept with solid shell elements using a meshing method. This video reviews approaches made available when dealing with one-body parts and multibody parts.

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ANSYS FEA Prestressed Modal

ANSYS FEA Prestressed Modal

In this example, we demonstrate how to do prestressed modal analysis of a guitar string, the correlate it with empirical data.

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Object Generator

Object Generator

This video illustrates use of a free ACT object to obtain direct thermal-structural coupling, letting elements carry both thermal and displacement degrees of freedom.

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Submodeling FEA using ANSYS Workbench 14.5

Submodeling FEA using ANSYS Workbench 14.5

Submodeling is now a simple task in ANSYS Workbench R14.5. Watch as a brief overview of the topic is presented and then demonstrated. A static structural model is used for the demo.

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Path Linearization with Cyclic Symmetry

Path Linearization with Cyclic Symmetry

Path Linearization is not supported in ANSYS Workbench Mechanical models that have cyclic symmetry objects in the Outline. This video illustrates a work-around method.

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Activating and Deactivating Loads

Activating and Deactivating Loads

This video illustrates the activation and deactivation of loads during multiple load steps when performing finite element analysis in ANSYS Workbench Mechanical.

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Placing an End Cap Pressure on a Pipe or Nozzle

Placing an End Cap Pressure on a Pipe or Nozzle

Pressure vessels and pipes often have closed ends, so finite element modeling needs to include the end cap pressure required to obtain correct longitudinal stress.

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Loading Methods for a Pipe End using a Remote Point

Loading Methods for a Pipe End using a Remote Point

The end of a 3D solid pipe (or nozzle) model is sometimes loaded with specified forces and moments, or by connection to the end of 1D piping elements in a larger FEA model. A pipe end face can be loaded from a remote point at the centroid of the pipe section.

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Combining a Restart with Element Death and Birth

Combining a Restart with Element Death and Birth

A user may want to solve a very large model with multiple load steps. A restart can work from the end of one of the load steps to then consider a different loading history for subsequent load steps, saving the time required to run the load steps prior to the restart.

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Adding APDL Postprocessing Commands to a Solved Model

Adding APDL Postprocessing Commands to a Solved Model

Users sometimes want to add some APDL processing commands to an ANSYS Workbench Mechanical model that has already been solved. This video illustrates adding APDL commands after solving, and seeing the results of those commands.

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Element Birth and Death

Element Birth and Death

There is an ACT object on the ANSYS customer portal that can be used for element birth and death in Workbench Mechanical. This video tutorial presents a method that uses simple APDL Commands Objects to kill a spring element, and to bring it back to life, at selected load steps during an analysis.

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Screw Joint Connection

Screw Joint Connection

This video illustrates a means of providing the kinematic behaviour of a screw joint in an ANSYS Workbench Mechanical structural model.

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Singularities

Singularities

Stress singularities are frequently encountered in finite element analysis. This video discusses what stress singularities are, how they behave, some ways to avoid them, and strategies for interpreting results near a singularity. Mesh convergence is also discussed.

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Direct Thermal-Structural Coupling with ACT Object

Direct Thermal-Structural Coupling with ACT Object

This video illustrates using a free ACT object to obtain direct thermal-structural coupling, letting elements carry both thermal and displacement degrees of freedom.

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Face to Face Thermal Contact

Face to Face Thermal Contact

A thermal analysis may be run in anticipation of a coupled structural analysis with bodies that are to be joined by a joint or other connection. Joints do not support heat transfer. This video illustrates two ways to include heat transfer between faces that are separated by a gap.

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Cyclic Symmetry

Cyclic Symmetry

This video introduces finite element cyclic symmetry modeling using the tools of ANSYS Workbench Mechanical.

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Special Settings for a General Joint

Special Settings for a General Joint

A Workbench Mechanical model was created with two independent beams that have coincident vertices where they can be joined. In this video we illustrate a general joint between the two coincident vertices, and control which joint degrees of freedom are set to be free.

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Nonlinear Contact Models

Nonlinear Contact Models

The setup and operation of an ANSYS Workbench Mechanical nonlinear contact model in which a gap closes during the ramping of a load are reviewed in this video.

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Line to Solid Face Contact

Line to Solid Face Contact

Recent versions of ANSYS Workbench Mechanical include detection of contact between line bodies and faces. This video reviews details of a model that detects nonlinear contact between a circular line body, and the face of a solid cylinder, and the settings that make the contact work in the simulation.

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Joints via Constraints

Joints via Constraints

This video illustrates details in a model for which constraint equations imply a revolute joint, but permit the Supernode modal solver to be used.

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Bolt Pretension in 2D Model

Bolt Pretension in 2D Model

A two-dimensional ANSYS Workbench Mechanical finite element model with bolt pretensioning is reviewed. The need for a user-defined coordinate system that defines where the search to cut a bolt in two is described, with its X-axis in the direction in which the bolt tightening takes place.

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