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Wenhan Cao's Projects

coupling_abaqus_matlab icon coupling_abaqus_matlab

we introduce a new framework for running the finite element (FE) packages inside an online Loop together with MATLAB. Contrary to the Hardware-in-the-Loop techniques (HiL), in the proposed Software-in-the-Loop framework (SiL), the FE package represents a simulation platform replicating the real system which can be out of access due to several strategic reasons, e.g., costs and accessibility. Practically, SiL for sophisticated structural design and multi-physical simulations provides a platform for preliminary tests before prototyping and mass production. This feature may reduce the new product’s costs significantly and may add several flexibilities in implementing different instruments with the goal of shortlisting the most cost-effective ones before moving to real-time experiments for the civil and mechanical systems. The proposed SiL interconnection is not limited to ABAQUS as long as the host FE package is capable of executing user-defined commands in FORTRAN language. The focal point of this research is on using the compiled FORTRAN subroutine as a messenger between ABAQUS/CAE kernel and MATLAB Engine. In order to show the generality of the proposed scheme, the limitations of the available SiL schemes in the literature are addressed in this paper. Additionally, all technical details for establishing the connection between FEM and MATLAB are provided for the interested reader. Finally, two numerical sub-problems are defined for offline and online post-processing, i.e., offline optimization and closed-loop system performance analysis in control theory. Keywords: software-in-the-loop; finite element; optimal placement; structural optimization; vibration control.

hhuthesis icon hhuthesis

Aiming at the dissertations nonstandard format problems such as chart format, writing format and formula format, a simple and easy-to-use LaTeX template for Hohai dissertations is provided. The template strictly follows the requirements of the academic committee of Hohai University on the format of the dissertations and the corresponding national standards and specifications.

intro_ds icon intro_ds

Code to accompany Mastering Data Science from PT press

maxent icon maxent

MaxEnt is an easy-to-run code for the calculation of maximum entropy distributions and the corresponding statistical samples from a given set of known information.

statistical-learning-methods icon statistical-learning-methods

Implement Statistical Leanring Methods, Li Hang the hard way. 李航《统计学习方法》一书的硬核 Python 实现

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