Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"solid structures"”.
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Effects of the Non-Newtonian Rheology on the Fluid-Structure Interactions in Biological Flows
… solved by the lattice Boltzmann method. Several solid structures including 2D and 3D rigid and deformable particles, filaments and flags are considered, and the interaction between the fluid and solid structures is achieved by the immersed boundary method. Validation cases against previous …
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Ultrasonic hot spots in solids
… An important example of such phenomena in solids is the mechanical initiation of explosions, which has long been speculated to result from ‘hot spot’ generation at localized microstructures in the energetic material (EM). Direct experimental evidence of such hot spots, however, is …
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Processes for the Fabrication of SU-8 Structures and Sputtered Materials on Porous Glass for Electrospray Thruster Manufacturing
… tool that has not yet been utilized to build solid structures on top of porous structures. This is because a porous substrate would uptake any liquid photoresist applied during fabrication, making the susbtrate lose its porosity. To prevent this, and allow for the formation of solid structures …
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Topology Optimization of Nonlinear Elastic Structures and Compliant Mechanisms
… a computer-aided design environment in which solid structures and compliant mechanisms are synthesized. The design tool is based upon the rapidly growing research area of topology optimization which combines structural finite element analysis with nonlinear programming and design sensitivity …
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Computation of moving interface flows in biophysical applications
… interface problems involving viscous fluids and solid structures. The main computational technique employed in this work is the immersed boundary method, a widely known numerical method for fluid-structure interaction (FSI). In this technique, the fluid equations are solved in an Eulerian grid …
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Computational study of the effects of protruding studs casing treatment on the performance of an axial transonic turbofan
… casing treatment consists of “studs,” which are solid structures protruding from the casing into the duct. These structures are located slightly downstream of the fan rotor trailing edge. The stage that is studied in this investigation is the NASA SDT2 R4 transonic turbofan. The simulation …
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Modeling the self-assembly of functionalized fullerenes on solid surfaces using Monte Carlo simulations
… and controlling interactions with the solid substrate.</p><p>The success of these rational design approaches hinges on the subtle interplay of intermolecular forces and molecule-substrate interactions. Molecular modeling is well-suited to studying these interactions by directly …
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Studies in the theory of solids
… show that the surface arrangement of atoms in a solid controls the energetically slowly varying features of a LEED spectrum. Because of inelastic collisions within the solid. the LEED electrons mainly sample a surface sandwich of atoms. Thus. the surface sandwich reflectivity. computed by using a …
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Effects of Interfaces and Interactions between Multiphase Flow and Solid on Engineering Structures
… involving interactions between liquids and solids are widely observed in natural and industrial applications. Interactions between different phases of fluids and solid structures have great importance in engineering applications such as aircraft and submarine designs, multiphase liquid flow …
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Advanced geometries for dryout mitigation in temhd-driven liquid lithium systems
… One method of mitigating the damage in solid PFCs is through the use of liquid metals, specifically liquid lithium. Liquid lithium PFCs reduce erosion and thermal stress damage, prolonging device lifetime, and have been shown to enhance plasma performance, decrease edge recycling, and …
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A theoretical study of molecular crystals
… was studied with this method and the energies, structures, harmonic, and anharmonic frequencies of the infrared- and/or Raman-active vibrations, phonon dispersions, and inelastic neutron scattering (INS) were calculated. A systematic hierarchy of methods was applied from Hartree–Fock (HF) to …
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Atomic force microscopy methods to study protein phase transitions
… and gels, such as viscoelastic condensates, and solids, such as disordered oligomers and ordered amyloid fibrils. This rich phase behaviour of polypeptides is necessary for biological function; however it also renders them a formidable experimental challenge, due to their dynamic, heterogeneous …