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Filtering by: Date 2016 Remove constraint Date: 2016 Subject Finite element method Remove constraint Subject: Finite element method

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Crack Penetration and Deflection Behavior at Interfaces

Creator:

Alam, Mahabub

Abstract:

This study computationally and experimentally examines the mechanisms of crack penetration, deflection and the transition between penetration and deflection. The finite element analysis based computational modeling work used strength-and-energy based cohesive-zone approach to study the effect of dimensionless parameters (e.g., interfacial incident angle, fracture-length scale, and normalized toughness) on penetration/deflection...

Resource Type:

Dissertation
Finite Element Analysis Modeling and Experimental Verification of Reflected Wave Phenomena in Variable Speed Machine Drive Cables

Creator:

Louie, Alex

Abstract:

Modern variable speed machine drive (VSMD) systems are used for a variety of purposes including generation, propulsion, pumps and compressors. They employ high switching frequency power electronics to drive the electric machine. The machine is subject to large voltage overshoot if long power cables, are used, called Reflected Wave Phenomena...

Resource Type:

Masters Thesis
Compatible Discretizations for Maxwell's Equations with General Constitutive Laws

Creator:

McGregor, D. A.

Abstract:

In this thesis we construct compatible discretizations of Maxwell's equations. We use the term compatible to describe numerical methods for Maxwell's equations which obey many properties of vector Calculus in a discrete setting. Compatible discretizations preserve the exterior Calculus ensuring that the divergence of the curl and the curl of...

Resource Type:

Dissertation
High Order Finite Elements SN Transport in X-Y Geometry on Meshes with Curved Surfaces in the Thick Diffusion Limit

Creator:

Woods, Douglas N.

Abstract:

The high-order finite element S[subscript N] transport equations are solved on several test problems to investigate the behavior of the discretization method on meshes with curved edges in X-Y geometry. Simpler problems ensured the correct implementation of MFEM, the general fi nite element library employed. A convergence study using the...

Resource Type:

Masters Thesis

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Academic Affiliation

Electrical Engineering and Computer Science1
Mathematics1
Mechanical, Industrial, and Manufacturing Engineering1
Nuclear Science and Engineering1

Advisor

Bokil, Vrushali A.1
Gibson, Nathan L.1
Jamie, Kruzic1
Palmer, Todd S.1
Parmigiani, John1
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Current results range from 2016 to 2017

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Committee Member

Bailey, Mike1
Brunner, Thomas A.1
Cotilla-Sanchez, Eduardo1
Faradani, Adel1
Gyrya, Vitaliy1
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Creator

Alam, Mahabub1
Louie, Alex1
Mcgregor, D. A.1
Woods, Douglas N.1

Date

2016[remove]4

Decade

2010-20194

Degree Field

Electrical and Computer Engineering1
Mathematics1
Mechanical Engineering1
Nuclear Engineering1

Degree Level

Doctoral2
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)2
Master of Science (M.S.)2

Language

English [eng]4

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation2
Masters Thesis2

Rights Statement

In Copyright4

Subject

Finite element method[remove]4
Composite materials -- Cracking1
Composite materials -- Fracture1
Electric cables1
Electric driving, Variable speed1
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