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Modeling of Transport Phenomena in Laser Welding of Steels

A. Métais [1], S. Matteï [2], I. Tomashchuk [2], S. Gaied [1]
[1] ArcelorMittal, Montataire, France
[2] Laboratoire Interdisciplinaire Carnot de Bourgogne, Université Bourgogne Franche Comté, France

Laser Welded Blank solutions enable to reduce vehicles weight and to optimize their crash performances by means of simultaneous tuning of different ...

Simulation of Supercritical Fluid Extraction Process

P. Katiyar [1], S. Khanam [1],
[1] Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India

This paper deals with the simulation of mathematical model for supercritical extraction. Reverchon, 1996 extracted sage oil using supercritical ...

COMSOL Multiphysics® Simulation of Flow in a Radial Flow Fixed Bed Reactor (RFBR)

A. G. Dixon [1], D. S. Polcari [1], A. D. Stolo [1], M. Tomida [1],
[1] Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA, USA

For design of radial flow fixed bed reactors, it is important to ensure proper flow distribution through the catalyst bed. A 2D axisymmetric model of a ...

Thermo-fluiddynamic Modeling of Laser Beam-Matter Interaction in Selective Laser Melting

K.-H. Leitz [1], P. Singer [1], A. Plankensteiner [1], B. Tabernig [1], H. Kestler [1], L. S. Sigl [1],
[1] Plansee SE, Reutte, Austria

Selective Laser Melting (SLM) offers great potential for future manufacturing technology. In order to extend its applicability for the processing of ...

Fluid Leakage Across a Pressure Seal - new

R. P. Ruby[1], G. Kulkarni[2], U. Kanade[1]
[1]Noumenon Multiphysics Pvt. Ltd., Pune, Maharashtra, India
[2]Oneirix Engineering Laboratories Pvt. Ltd., Pune, Maharashtra, India

Seals or gaskets that are compressed between walls of a container are important to many industrial applications. In this paper we present a fluid flow model for predicting the sealing performance of such seals. A computational study using COMSOL Multiphysics® software suggests very strong simplifications to the postulated flow equations.

Understanding the Transition Flow Region through Modeling in COMSOL Multiphysics® Software

J. Sturnfield [1],
[1] Dow Chemical, Freeport, TX, USA

The pore sizes of many membranes being studied for separating the components in gas mixtures are on the scale of nanometers. Depending on the specific ...

Topology Optimization of Thermal Heat Sinks

J. H. K. Haertel [1], K. Engelbrecht [1], B. S. Lazarov [2], O. Sigmund [2],
[1] Technical University of Denmark, Roskilde, Denmark
[2] Technical University of Denmark, Kgs. Lynby, Denmark

1. Introduction The topology optimization method is becoming increasingly popular as a design tool for multiphysics systems [1,2]. Topology ...

CFD Modeling for the Ventilation System of a Hospital Room

A. Kermani [1],
[1] Veryst Engineering LLC, Needham, MA, USA

Indoor ventilation with good air quality control prevents infection with minimizing the spread of airborne respiratory and other infections in ...

Modeling of Viscous Fingering

E. Holzbecher[1]

[1]Georg-August University, Göttingen, Germany

Viscous fingering is a topic of interest since the beginning of computational fluid dynamics. Here we focus on the classical constellation of miscible ...

COMSOL Implementation of a Multiphase Fluid Flow Model in Porous Media

M. Diaz-Viera, D. Lopez-Falcon, A. Moctezuma-Berthier, and A. Ortiz-Tapia
Instituto Mexicano del Petroleo, México D.F., Mexico

The aim of the present work is to implement in COMSOL Multiphysics a multiphase fluid flow model in porous media, also known in the oil reservoir ...