Browsing by Subject "FEM"
Now showing items 1-20 of 22
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(2020-10-29)Conventional rotordynamic analyses generally simplify the rotor, neglecting detailed geometrical characteristics. However, in modern rotating machines, rotors consist of multiple complex-shaped parts that are usually ...
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(2017-05-03)In this study, in order to address the immersed boundary condition, which was the critical issue regarding the fictitious domain method, two new strategies for addressing the numerical integral related to the immersed ...
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(2020-09-29)The petroleum industry has long relied on pre-drilling geomechanics models to generate static representation of the mud weight limits. These models rely on simplifying assumptions such as linear elasticity, a uniform ...
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(2021-04-06)A model is developed herein for predicting the onset of thermally induced buckling in the horizontal and vertical planes for rail structures. As described below, the model may be considered to be an extension of previous ...
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(2020-03-12)Formation sand production has been a recurring problem for the oil and gas industry since the advent of the hydrocarbon exploration and extraction. The effects of sand production are adverse in nature and are two folds; ...
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The development of scratch test methodology and characterization of surface damage of polypropylene (Texas A&M University, 2004-11-15)A new scratch test methodology is proposed. The new test methodology is developed based on the principles of materials science and solid mechanics, which include the consideration of material parameters, use of microscopy ...
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(2016-08-02)The deepwater and ultra-deepwater drilling industry has created several techniques to overcome the Well-Control challenge in these scenarios. Dual Gradient Drilling is one of those techniques. Created in the mid-90’s the ...
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(Texas A&M University, 2007-04-25)This research is concerned with the modeling and failure analysis of closed cell foam with various scales of microstructure that is disordered due to defects. This foam material is used for the forward bipod closeout on ...
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Effects of Manufacturing Induced Defects on Mixed-Mode Delamination Kinking in Composite Laminates (2015-08-10)With the superior mechanical performance, such as high strength and stiffness, fiber-reinforced polymer composites are widely used on main structures, like airfoil for aircraft or wind turbine. Manufacturing induced defects ...
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(2019-04-05)The Texas Department of Transportation (TxDOT) Bridge Design Manual (BDM) requires that bridge columns that are placed near a roadway to be designed or shielded for impact. Many of them were built years before the Bridge ...
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(2015-11-18)This research investigation addresses the analysis and numerical simulation of dynamic response of submerged floating tunnels (SFTs) under the influence of surface waves. As an innovative technical solution for waterway ...
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(2010-01-16)The use of B-spline interpolation functions in the finite element method (FEM) is not a new subject. B-splines have been utilized in finite elements for many reasons. One reason is the higher continuity of derivatives and ...
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(2022-07-07)An abstruse mode of deformation, widely referred to as kink-banding, has been observed over a wide range of length-scales, loading conditions, and in a wide variety of materials across the physical and engineering sciences. ...
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(2016-05-10)The objective of this study is to investigate smoothed particle hydrodynamics (SPH) method in simulating drilling process of both brittle and ductile materials. Drilling simulation is commonly performed by finite element ...
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(2018-04-27)Hywind, the world’s first operational Floating Offshore Wind Turbine (FOWT), is constrained by a delta mooring system to improve the yaw station-keeping capacity. In this study, a mooring line-simulation code in COUPLE-FAST ...
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(2017-01-13)This dissertation aims to study effects of different design factors on the end movements in Continuously Reinforced Concrete (CRC) pavements subjected to environmental loads. End movement in CRC pavements is an important ...
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(2021-10-25)Slope stability analysis and design are important in mining geotechnical engineering, as open-pits have slopes cut as steep as possible to ensure efficient mining. We must mine the ore while keeping the total waste to a ...
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(2020-08-24)Transmitting power devices are widely used in the industry. These devices like couplings and gears are used to transmit the power from the source to the load. Power loss and heating represent one of the most important ...
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(2018-06-25)The study investigates perforation interaction in order to find the optimum perforation design which yields the highest productivity while maintaining mechanical stability. The study is composed of i) evaluation of flow ...
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(Texas A&M University, 2005-11-01)This dissertation work is focused on the analytical and numerical examination of the mechanical response of polypropylene (PP) under scratch deformation by a semispherical indenter. The finite element (FE) method is employed ...