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Tips & Tricks
How to Obtain Best Results within Reasonable Time from a Heat Treatment Simulation
Heat treated parts are in most cases not clamped during heat treatment, for an FEM analysis, at least a static determined clamping is needed that does not allow any rigid body motion.
Yonggang
Duan
Welding & Assembly
Stamping/HT Chaining of 3D Ring - Restart tool in Visual Heat Treatment
This article is to show effects of heat treatment on stresses when industrial mechanical parts are stamped (or welded) by 3 typical heat treatment steps: Heating, Quenching and Tempering. Tempering is generally considered effective in relieving stresses induced by quenching in addition to lowering hardness to within a specified range, or meeting certain mechanical property requirements.
Yonggang
Duan
Welding & Assembly
Heat Power display in Visual Weld
The aim of this development in Visual Weld 14.5 + Sysweld 2019.0 is to display the Power Density. Currently, this functionality is only available in the old SysWeld GUI. The new functionality "Heat Power Display" is available through the "Welding Utilities" menu of Visual Weld.
Yonggang
Duan
Welding & Assembly
Conversion Files .fdb in .erfh5 on Network Drive
It is not straightforward to do the conversion Files .fdb in .erfh5 on Network Drive in Visual Viewer. In order to make it work properly, it is necessary to map network drive to the local machine. In this way, the files on network could be handled like on local machine and the conversion from fdb to erf will be working properly.
Yonggang
Duan
Multiphysics, Welding & Assembly
Crash when launching Visual on CentOS
On Linux, at moment of launching Visual-Environmnet, crash happens after having selected Visual Weld. It is possible to try following steps to solve the problem. - Launching Visual in debug mode - Downgrade GlibC to 2.12 - Install freshly NTP
Yonggang
Duan
Virtual Integration Platform, Welding & Assembly
Boundary Layer Mesh tool demonstration
Easily creating a connection between a tetramesh and an hexamesh is possible, using Boundary Layer Mesh tool.
Sandrine
Dischert
Multiphysics, Welding & Assembly, Virtual Integration Platform
Fiber volume content contour
Two dedicated composites contours are available in PAM-FORM 2G post-processing: Shear angle and fiber directions.
Mathilde
Chabin
Composites
Coupling between PAM-FORM and PAM-RTM: multiple part mapping
Coupling between PAM-FORM 2G and PAM-RTM is done through a .DSY file. Thus, pre-forming process is simulated with PAM-FORM 2G and resulting fiber orientations that will affect permeabilities are transferred to PAM-RTM model setup.
Mathilde
Chabin
Composites
Process optimization: the future of numerical simulation software
Optimization is becoming a very popular word. However, what does it mean and what does it involve? The goal of this e-tip is to give some keys about optimization concepts and its use in process optimization. In a first stage, we will describe the type of optimization problems that could be solved and in a second stage, the principles and algorithms will be presented. Finally, advantages and drawbacks of the different methods and algorithms will be addressed, with respect to the different types of optimization problems which can be solved.
Casting
Casting simulation: from prototype to performance
Passenger safety in cars, planes and other transportation vehicles is an ethical obligation, a legal issue and a technological challenge. Simulation is a well implemented tool in order to test the behaviour of a car body during crash. The models, including rapid deformation and rupture, are sophisticated and reliable. Currently, most properties used in such simulations correspond to homogenous and defect free materials. However, cars are manufactured before being crashed. And manufacturing routes such as casting, but also stamping, forging or welding, do not provide defect free and homogeneous materials.
Casting