. We are pleased to announce the newest member of the SKC group: SKC Inspection & Non-destructive. November 04 2013.
The Canadian Welding Association (CWA) has announced that SKC's founder and president. October 07 2013. SKC Engineering has completed its first major acquisition: Barid Bettney & Associates. March 17 2013. SKC is pleased to welcome Al Hassan, P.Eng.
To our Engineering team. Al is a renowned. March 16 2013. SKC Engineering is currently engaged with a challenging project at the York Theatre in Vancouver. December 04 2012.
Weld sequence optimization with Abaqus Welding Interface Join us at the Simulia technology day in Toronto Oct 18, 2017 August 15 2017 Mahyar Asadi will present on the following: Welding engineering is among one of the complex fields that has historically relied on the past experience of welding engineers. In the modern age, high power computing platforms for simulation and weld modeling enables welding engineers to explore complex welding and weld design parameters when presented with different scenarios on how to proceed with a given welding problem. The main theme of this talk presents industrial projects where these services helped clients to define an optimal design envelope with a clear understanding of the correlation between large numbers of design parameters. An example will be presented for an interactive welding design of a large structure for optimal fixture, tack weld, strong back, and sequence design where extremely tight dimensional tolerances were required. Another example shows how the capability of modeling and simulation helped weld engineers for critical assessment of a series of cracked welds.
A third example will be on the assessment of retrofit options, for a welded structure containing cracks that developed after initial welding. These cases will present how weld engineers can be enabled to develop creative options when developing a solution to welding problems using computational welding models.
Dear Mechanicians, time and again the question of modeling moving heat sources pops up, often in the context of laser heating. One can achieve this using the subroutine DFLUX in ABAQUS. I decided to post some links here to avoid responding with a longer explanation to every individual seeking assistance. Please note that I have never worked with any one of these codes and have no access to ABAQUS at present. No warranty is given by me. 'ELEMENT DELETION' is available in Abaqus Explicit: User's Manual 23.8.1 User-defined mechanical material behavior For welding you can also use the Abaqus Welding Interface For an introduction to subroutine coding get the file User Subroutines with ABAQUS.pdf For any ABAQUS-related question: seek advice from the Abaqus mailing list This is a moderated list. Search the archive of this mailing list for the terms 'laser', 'welding' and '(moving) heat source' in combination with 'DFLUX'.
It has been discussed several times. Two of the links below are taken from the archive of that list. Try to verify your model with analytical solutions provided in these books: Carslaw and Jaeger: 'Conduction of Heat in Solids' Duley, Walter W.: 'Laser processing and analysis of materials' Good luck Frank - Gaussian beam incident on cylinder Moving laser load around the cylinder DEPARTMENT OF THE ARMY U.S.
14:00 - 15:00 GMT 15:00 - 16:00 CET Abaqus has always been a software of choice for modeling welding in various industries.This eSeminar will highlight the capabilities of Abaqus Welding Interface (AWI), including some recent enhancements that make realistic simulation of welding process possible in Abaqus. AWI places an emphasis on the ease of weld model preparation and setup while supporting options and features that allow realistic predictions of quantities of interest such as distortion and residual stresses. A flux-based energy input option using the Goldak double ellipsoid model is now available for use with the AWI. Another significant enhancement takes advantage of the new, strain-free element activation technique developed by SIMULIA R&D that has applicability in many important areas including welding. This new technique improves preprocessing and analysis performance significantly for models of processes involving material deposition such as welding and additive manufacturing, with strain-free element activation no longer a step-dependent feature.
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Who should attend the eSeminar? This eSeminar would be of interest to anyone using (or considering using) the power of simulation as a cost-effective alternative to costly experimental trial-and-error approach to understand distortion, residual stresses etc. Resulting from the welding process.This eSeminar is appropriate for both academic and commercial audience. Murali Pandheeradi, SIMULIA Director, Technical Sales, SIMULIA Great Lakes Murali Pandheeradi is a Technical Sales Director and Technical Expert located in the Cleveland office of SIMULIA Great Lakes. He has been with the organization for over 13 years.
Murali received his Masters in Engineering Mechanics from Indian Institute of Technology, Chennai (India) and PhD in Computational Mechanics from Rensselaer Polytechnic Institute, Troy, New York. He has over twenty years of experience in theoretical and applied FEA, and has co-authored publications and presentations in the field. His areas of technical expertise include advanced material models, composites, fracture and fatigue (including XFEM) and Abaqus User Subroutines.
Mike Shubert, SIMULIA Expert Solution Consultant, SIMULIA South Mike finished Masters Degree from University of Colorado in 1991, and has worked for DS for 25 years since that time. He started in support then worked briefly in the Explicit dynamics group before moving to the Abaqus/CAE development group where he spent 6 years until he moved to the Texas office.
Abaqus Welding Interface Crack
For the last 12 years he has worked at the South office in Texas working on scripting and customization of Abaqus/CAE.
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