材料力学实物演示教学培养创新能力的实践
发布时间:2018-02-12 03:12
本文关键词: 材料力学 实物演示 创新能力培养 开口薄壁杆失稳 出处:《力学与实践》2016年05期 论文类型:期刊论文
【摘要】:通过课堂实物演示分析帮助学生掌握力学基本概念,基本规律,引导学生运用力学原理分析力学现象,解决力学问题,是在课堂教学环节培养学生创新能力的有效途径.通过钢卷尺演示分析开口薄壁杆件中心压杆失稳,侧立弯曲失稳及水平布置弯曲失稳现象.分析了钢卷尺水平布置弯曲时,卷尺拉出长度相同的条件下,截面弧形凸出一侧向上时失稳,凸出一侧向下时不失稳的现象.
[Abstract]:Through classroom demonstration and analysis to help students master the basic concepts and laws of mechanics, guide students to use mechanics principles to analyze mechanical phenomena and solve mechanical problems. It is an effective way to cultivate students' creative ability in classroom teaching link. Through demonstration of steel tape measure, the instability phenomena of center compression bar, lateral bending instability and horizontal arrangement bending instability of open thin-walled members are analyzed. When steel tape tape is arranged horizontally, bending is analyzed. Under the condition of the same drawing length of the tape measure, the stability of one side of section arc protruding is unstable when up, and the phenomenon of no instability when one side is protruded down.
【作者单位】: 哈尔滨工业大学航天学院;
【分类号】:O341-4;G642
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本文编号:1504656
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