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In this paper, a priori model reduction methods via low-rank tensor approximation are introduced for the parametric study of a piezoelectric energy harvester (EH). The EH, composed of a cantilevered piezoelectric bimorph connected with electrical loads, is modeled using 3-D finite elements (FEs). Solving the model for various excitation frequencies and electrical load using the conventional approach...
Sea clutter is the backscattered returns from a patch of the sea surface illuminated by a radar pulse. An efficient computational electromagnetic (CEM) method based on ray tracing algorithm and a time-frequency analysis method are applied to simulate and analyze the sea clutter from wind-driven sea surface and breaking waves. First, the three dimensional (3-D) time-evolving sea surface is geometrically...
Semantically annotated process model (SPM) is a process model with semantic annotations, which include the precondition and effect, labeled for its activities based on the domain ontology. Such semantic annotations can increase the model's understanding and reusability, and facilitate its implement as well as compliance analysis. However, SPM analysis is challenging, since its correctness is beyond...
Ubiquitous learning is a new educational model which is based on the development of Ubiquitous Computing applying in the field of education. According to the analysis of Ubiquitous learning's connotation, features and technological support, combining the original common model of CSCL, this paper is trying to construct a brand-new model for computer-supported cooperative learning. The author analyses...
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