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In this article, we investigate the multilinear distorted multiplier estimate (Coifman–Meyer type theorem) associated with the Schrödinger operator
in the framework of the corresponding distorted Fourier transform. Our result is the “distorted” analog of the multilinear Coifman–Meyer multiplier operator theorem in Coifman and Meyer (1978), which extends the bilinear estimates of Germain et...
Discrete high power packages: TO-220FP, TO-247, TO-3P are investigated for their thermal-mechanical behaviors. Junction-to-ambient thermal resistance measurements and Computational Fluid Dynamics (CFD) simulations are utilized to judge the thermal performance of these packages with the same material properties. The finite element method (FEM) simulations of temperature cycling is also applied to analyze...
The performance of IGBT (Insulated Gate Bipolar Transistor) power module under power cycling test is investigated based on a FEA (Finite Element Analysis) method. Critical point of solder fatigue has been discovered through analysis. Thermal cycling test has also been simulated as a comparison. The impact of power module parameters, such as power dissipation of chip, cycle period, solder layer thickness...
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