Instrumentaion for an Undergraduate Experimental Mechanics Laboratory

该项目的目的是为新组织的实验力学高级课程提供仪器支持。课程包括应变片测量、使用光弹性涂层的光弹性建模和应变测量、传输二维模型和三维模型切片分析。购买透射式偏光镜和辅助仪器是对课程应变计和光弹涂层部分现有仪器的补充。该仪器的加入使学生能够熟悉双折射、延迟、偏振、等倾角和等色线补偿的概念，以及白光和单色光的作用。学生利用该仪器进行了三维应力冻结和切片分析。

The purpose of the project is to provide instrumentation in support of a newly organized senior-level course in experimental mechanics. Topics covered include strain-gage measurements, photoelastic modeling and strain measurements using photoelastic coatings, transmission two-dimensional models and three-dimensional model slice analysis. Acquisition of a transmission polariscope and supporting instrumentation supplement existing instrumentation for the strain-gage and photoelastic coating portion of the course. The addition of this instrumentation permits the students to become familiar with the concepts of birefringence, retardation, polarization, isoclinics and isochromatics compensation, and the roles of both white light and monochromatic light. Three-dimensional stress-freezing and slice analysis are performed by students utilizing the instrumentation.