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Showing 1 to 20 of 21 for “"FEM analysis"”.
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FEM Analysis of Quasi-Planar Transmission Lines
The high frequency wireless communication and high-speed electronics industries are demanding increasingly more sophisticated microwave integrated circuits. Today, conventional microwave integrated circuits have used single substrate planar microstrip line or suspended and inverted microstrip …
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Tensile Fracture Mechanisms of Ferritic/martensitic Structural Materials
X-ray measurements and analysis not only support the hypothesis of the association between critical stress and critical interfacial strength, but also offer a new method to determine the true strain/stress behavior during deformation. This method is called the Universal Micro-structural …
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Validation of a Computational Model for Predicting Fatigue Life
… are demonstrated. A high-resolution plane strain FEM analysis that resolves the strain field near a stress concentration is shown to be necessary to achieve accurate predictions of fatigue crack nucleation and fatigue crack growth.
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Experimental database, analysis and design of noncompact and slender concrete-filled steel tube (CFT) members
… is compiled. Detailed 3D finite element method (FEM) models are developed for noncompact and slender CFT members, and benchmarked using experimental results. The AISC 360-10 design provisions for noncompact and slender CFT members are then evaluated by both the experimental test results and …
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Green gains: a case for South African-listed firms
… Tobin's Q and ROA models. Fixed Effects Model (FEM) analysis yielded insignificant results, highlighting the potential effects of endogeneity and its consequences if not addressed. This research contributes to the literature on ESG and financial performance by demonstrating the effectiveness of …
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Large Deformable Soft Actuators Using Dielectric Elastomer and Origami Inspired Structures
… was validated by using finite element method (FEM) using ABAQUS. For FEM, multistep analysis was performed to apply pre-stretch to the membrane before applying actuation voltage. Based on the validation of DEA, different configurations of DEA were investigated. Helical dielectric elastomer …
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Acoustic Analysis of Spacecraft Cavities using the Boundary Element Method
… structural responses. Linear finite element analysis (FEA) is coupled with the Boundary Element method (BEM) to analyze spacecraft acoustic environments and corresponding structural responses at low frequencies on the order of the structural modes. Analytical capability for predicting …
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Mechanical Structure Design and Analysis of Focal Plane Unit (Fpu) for Earth Observation (Eo) Payload
… performance of our design Finite Element Analysis (FEM) analysis needs to be performed on every mechanical element with application of launch and environmental loads. Assembly and integration of the focal plane unit is also an important consideration, which if not properly done may …
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Design and Multi-physical Fields Analysis of High Speed Permanent Magnet Machines
… HSPMM design and research. Multi-physical fields analysis of a HSPMM is carried out to calculate machine power losses and temperature distribution, with factors influencing machine performance considered; HSPMM rotor mechanical research and analysis are also carried out and presented in this …
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EBF3GLWingOpt: A Framework for Multidisciplinary Design Optimization of Wings Using SpaRibs
… the static aeroelastic, flutter and buckling analysis, has been implemented for exploiting the optimal design at the wing level. The wing internal structure is optimized using curvilinear spars and ribs (SpaRibs). A two-step optimization approach, which consists of topology optimization with …
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Analisi numerica di muri in terra rinforzata in campo statico e dinamico
Nel lavoro di tesi viene valutato il comportamento in campo statico e dinamico di una determinata tipologia di opere di sostegno con pannelli di facciata in calcestruzzo e rinforzi polimerici. Allo scopo è stata effettuata un analisi numerica con un codice di calcolo agli elementi finiti, …
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Coupling of Structural Dynamic and Acoustic Analyses Using the FEM and BEM
… In this study, the finite element method (FEM) is chosen for the structural dynamic analysis in order to calculate the natural frequencies and harmonic responses of the structure. The boundary element method (BEM) is used in the acoustic analysis of the structure to calculate the radiated …
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Eddy current displacement sensor with LTCC technology
… target blade were considered. Subsequently, the FEM method was used for further calculations. It was found via modal analysis that the position over the sharp end of a blade tip is the optimal mounting position for a sensor. Electromagnetic analysis showed that the sensitivity of the sensor …
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Influence of transdermal current flow in tDCS-induced cutaneous adverse events
… in current flow. The finite element modeling (FEM) of current flow using simplified tissue geometries predict higher current density at the electrode edge, but the experimental evidences for the cutaneous effects of tDCS (skin heating or skin reddening) are unclear. Prior skin models of …
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Vibration and Buckling Analysis of Unitized Structure Using Meshfree Method and Kriging Model
… here for vibration, buckling and static analysis of homogenous and FGM plate with curvilinear stiffeners. Numerical results for different stiffeners configurations and boundary conditions are presented. All results are verified using the commercial finite element software ANSYS® and other …
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Suspended Gate Silicon Nanodot Memory
… (2D and 3D) finite element method (FEM) analysis. The programming and erasing operations within the SGSNM occur when the suspended control gate is in contact with the tunnel oxide layer. This is the point at which the quantum-mechanical tunnelling mechanism (Fowler-Nordheim) takes …
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Optomechanics of two- and three-dimensional soft photonic crystals
… poroelasticity based coupled fluid-diffusion FEM model is developed to accurately predict this mechanical behavior. Light transmittance simulation results qualitatively explain the experimentally observed trends in the optical behavior with pH change. The elastomer based, lithographically …
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Srovnání přístupu a možnostní pevnostních výpočtů tlakových nádob v softwarech Ansys Workbench a Solidworks simulation metodou MKP
Bakalářská práce je zaměřena na porovnání možností pevnostních výpočtu v programech ANSYS Workbench a SolidWorks Simulation. První část práce seznamuje s metodami návrhu tlakových nádob a jeho legislativou. V další části jsou podány základní informace o daných programech, ve kterých je následně …
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Multidisciplinary Optimization and Damage Tolerance of Stiffened Structures
… application scaling with medium fidelity FEM analysis. Both the global wing design variables and local panel design variables are optimized to minimize the wing weight at an acceptable computational cost. The structural weight of the wing has been, therefore, reduced by 40% and the …
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Dvoudílný výložník mobilního stavebního jeřábu 1,5 t – 10 m
Tato diplomová práce se zabývá konstrukčním návrhem dvoudílného sklápěcího výložníku mobilního samostavitelného jeřábu s nosností 400 až 1 500 kg s maximálním vyložením 10 metrů. Úvodní rešeršní část obsahuje kategorizaci a technický popis tohoto typu jeřábů. Hlavní částí práce je detailní návrh …
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