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Stress and Failure Analysis of Laminated Composite Structures

John J. Engblom, Ph.D., PE

This course focuses on presenting a well established computational method for calculating stresses/strains in reinforced laminated composite structures. The basis for the presented computational method is often referred to as classical lamination theory. A clear understanding of this approach is supported by the development of the fundamental mechanics of an orthotropic lamina (ply). Various failure theories are presented each requiring that stresses/strains be quantified on a ply-by-ply basis in order to make failure predictions. Both applied loads and hygrothermal (thermal and moisture) effects are treated in the computational procedure. The stress and failure prediction methodology presented in this course is particularly important during the preliminary design phase of laminated composite structures.

This course includes a multiple choice quiz at the end, which is designed to enhance the understanding of the course materials.

There is another course (PDHonline Course M426) having basically the same technical content but with the added description of the computer software utilized in generating stress and failure theory results. The computer software is based on classical lamination theory. The added description includes a computer flow-chart, a definition of user prompted input and computer output. The software is available with purchase of Course M426. Note that the computer software runs under the Windows 7 operating system.

Note: This course requires users to pay first before viewing the course content.

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.