For the calculation of transient fluid–solid coupling temperature field of transformer, the
traditional Galerkin finite element full order model has the defect that the calculation time is …

In this paper, a novel model for evaluating the temperature of traveling-wave ultrasonic
motor (TWUSM) is developed. The proposed model, where the interaction between the …

In this paper, the transient and steady-state temperature field of a traveling-wave rotary
ultrasonic motor is analyzed by the finite element method, based on a theoretical model of …

An exact geometry hybrid-mixed four-node laminated piezoelectric solid–shell element with
temperature-dependent material properties using the sampling surfaces (SaS) method is …

In this paper, a thermal-mechanical-electric coupling dynamic model is developed for a V-
shape linear ultrasonic motor. The impact of surface roughness of stator/slider on the motor …

Based on contact heat transfer, a novel method to increase power density of piezoelectric
transformers is proposed. A heat transfer structure is realized by directly attaching a …

In this paper, a geometrically exact hybrid-mixed four-node laminated solid-shell element
with piezoelectric patches with temperature-dependent material properties through the …

In this paper, a new application of magnetic-less high-power DC–DC switching converter
with an Pb (Zr, Ti) O 3 Ceramic transducer is described. For the full elimination of magnetic …

为了研究油浸式电力变压器运行过程中绕组温度的分布特性, 该文提出了一种计算绕组温升的多
物理场耦合有限元计算方法. 应用最小二乘有限元法求解油流的流场控制方程, 获得速度分布 …

In this paper, a coupled flow-thermal field simulation model is established based on the
parameters of the transformer. Then the distribution of the flow and thermal fields are …