Provided are a simulation and optimization method, system and device for a convex hull on a base of a chassis of a server. The simulation and optimization method comprises: simulating, by means of CAE simulation technology, a sagging state of the base of the chassis of the server when the sever is actually placed inside the cabinet; obtaining, according to the sagging state, a sagging amount which corresponds to each distribution area on the base of the chassis; re-simulating, if there is a non-compliant sagging amount which is greater than a pre-set sagging threshold value among the sagging amounts, the sagging state of the base of the chassis of the server when the server is actually placed inside the cabinet after the convex hull is additionally provided in the distribution area corresponding to the non-compliant sagging amount; and optimizing, if the base of the chassis additionally provided with the convex hull still has a non-compliant sagging amount, the design structure of the convex hull until the maximum sagging amount is less than or equal to the pre-set sagging threshold value. It can be seen that according to the present application, an area, where a convex hull is additionally provided, of a server is determined using a simulation approach, and the optimization of the structure of the convex hull can be realized by means of simulation, thereby eliminating the need of physical proofing of the server, reducing the design cost and shortening the design cycle.
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