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Computational Modeling and Simulation of the Human Duodenum

B. Hari[1], S. Bakalis[1], P. Fryer[1]
[1]The University of Birmingham, School of Chemical Engineering, Edgbaston, Birmingham, United Kingdom

Worldwide attention in the computational modeling and simulation of the human intestine is increasing in order to help understand its complex behavior ...

Computation of Velocity, Pressure and Temperature Distributions near a Stagnation Point in Planar Laminar Viscous Incompressible Flow

E. Kaufman[1], and E. Gutierrez-Miravete[2]

[1]Pratt and Whitney, East Hartford, CT, USA
[2]Rensselaer at Hartford, Hartford, CT, USA

As gas turbine temperatures and component life requirements continue to rise, it becomes increasingly important to have a good understanding of the ...

Thermal Analysis of Additive Manufacturing - new

S. Yushanov[1], J. S. Crompton[1], K. C. Koppenhoefer[1]
[1]AltaSim Technologies, LLC., Columbus, OH, USA

This study analyzed the laser powder bed additive manufacturing process. The laser is modeled as a moving heat source with time dependent heat transfer ...

The Simulation of Electric Field Distribution in Electrospinning Process - new

Y. Zheng[1], B. Xin[2]
[1]Donghua University, Shanghai, China
[2]Shanghai University of Engineering Science, Shanghai, China

The electric field plays a very important role in the electrospinning process, which needs to be seriously considered in the electrospinning ...

Design of Small-Scaled de Laval Nozzle for IGLIS Experiment

E. Mogilevskiy[1], R. Ferrer[1], L. Gaffney[1], C. Granados[1], M. Huyse[1], Yu. Kudryavtsev[1], S. Raeder[1], P. Van Duppen[1]
[1]KU Leuven, Instituut voor Kern- en Stralingsfysica, Leuven, Belgium

De Laval nozzles are used in supersonic aerodynamical tubes and engines. They are also employed for the production of cold gas jets to be used in ...

Accuracy Tests for COMSOL - and Delaunay Meshes

E. Holzbecher, and Hang Si
Weierstrass Institute for Applied Analysis and Stochastics (WIAS), Berlin, Germany

In the paper we examine the accuracy of various meshes for different model regions and simple differential equations in 2D and in 3D. We study the ...

Air Damping of Oscillating MEMS Structures: Modeling and Comparison with Experiment

S. Gorelick[1], M. Leivo[1], U. Kantojärvi[1]
[1]VTT Technical Research Centre of Finland, Espoo, Finland

Excessive air damping can be detrimental to the performance of oscillating MEMS components. Complex systems, such as structures in pre-etched cavities ...

Comparing Equations for Two-Phase Fluid Flow in Porous Media

T. Bjornara, and E. Aker
NGI, Oslo, Norway

Various types of equation system formulations for modeling two-phase flow in porous media using the finite element method have been investigated. These ...

Numerical Aspects of the Implementation of Artificial Boundary Conditions for Laminar Fluid-Structure Interactions

C. Boeckle[1], P. Wittwer[1]
[1]University of Geneva, Geneva, Switzerland

We discuss the implementation of artificial boundary conditions for stationary Navier-Stokes flows past bodies in the half-plane, for a range of low ...

Evaluation of Novel Wing Design for UAV - new

P. K. Bahumanyam[1]
[1]University of Alabama in Huntsville, Huntsville, AL, USA

Viable design alternative for the existing and fast growing UAVs which are optimized for unmanned flight is of great demand. Designing of a small scale UAV alternative to the AAI Aerosonde UAV has been considered changing the wing tail configuration of the vehicle analyzing both structural and aerodynamic performance improvements using COMSOL Multiphysics® software.