У нас вы можете посмотреть бесплатно Ansys Workbench: Linear Buckling (Eigenvalue Buckling) или скачать в максимальном доступном качестве, видео которое было загружено на ютуб. Для загрузки выберите вариант из формы ниже:
Если кнопки скачивания не
загрузились
НАЖМИТЕ ЗДЕСЬ или обновите страницу
Если возникают проблемы со скачиванием видео, пожалуйста напишите в поддержку по адресу внизу
страницы.
Спасибо за использование сервиса ClipSaver.ru
An hollow cylinder of length 1000 mm, diameter 100 mm and shell thickness 1 mm is submitted to kinematic boundary conditions of ux=uy=uz=0 on its extremity at z=0 and ux=uy=0 on the one at z=1000. A global compressive load-state is obtained with the application of a unit force in direction -z on the cylinder's extremity at z=1000. The constitutive material is considered linear, elastic and isotropic with a Young modulus of 210 GPa and a Poisson ratio of 0.3. Such a slender solid submitted to compressive stress (not necessarily global by the way) may exhibit a bifurcation in its response to increasing load intensity. After reaching a critical value of the load intensity, the solid may indeed respond on a 'mode' different from the one observed for sub-critical loads. This phenomenon is called buckling. The purpose of this video is then to provide a demonstration of the 'eigenvalue buckling' module in Ansys Workbench [1] for the modelization of linear buckling problems. Questions : 1- Perform a convergence analysis on the influence of the mesh size (for 4 nodes quadrangular and 6 nodes triangular shell elements) over buckling results (load multipliers and modes). 2- Study the influence of the Young Modulus on buckling results. 3- Study the influence of the Poisson ratio on buckling results. 4- Study the influence of the the shell thickness on buckling results. 5- Study the influence of the the slenderness ratio height/diameter on buckling results (the diameter is to be kept at its initial value). 6- For design purposes, propose a synthetic graph (horizontal axis : slenderness ratio from 1 to 10, vertical axis : load multiplier) that allows to evaluate the first buckling critical load for thicknesses ranging from 0.5 to 5. [1] An academic version of Ansys can be downloaded for teaching and learning purposes there: https://www.ansys.com/academic