Desenvolvimento de um núcleo versátil e integrado de ferramentas CAD/CAE para a modelagem e simulação de peças mecânicas

摘要

Currently there is still a high demand for quality control in manufacturing processes ofmechanical parts. This keeps alive the need for the inspection activity of final productsranging from dimensional analysis to chemical composition of products. Usually this taskmay be done through various nondestructive and destructive methods that ensure the integrityof the parts. The result generated by these modern inspection tools ends up not being able togeometrically define the real damage and, therefore, cannot be properly displayed on acomputing environment screen. Virtual 3D visualization may help identify damage that wouldhardly be detected by any other methods. One may find some commercial softwares that seekto address the stages of a design and simulation of mechanical parts in order to predictpossible damages trying to diminish potential undesirable events. However, the challenge ofdeveloping softwares capable of integrating the various design activities, product inspection,results of non-destructive testing as well as the simulation of damage still needs the attentionof researchers. This was the motivation to conduct a methodological study for implementationof a versatile CAD/CAE computer kernel capable of helping programmers in developingsoftwares applied to the activities of design and simulation of mechanics parts under stress. Inthis research it is presented interesting results obtained from the use of the developed kernelshowing that it was successfully applied to case studies of design including parts presentingspecific geometries, namely: mechanical prostheses, heat exchangers and piping of oil andgas. Finally, the conclusions regarding the experience of merging CAD and CAE theories todevelop the kernel, so as to result in a tool adaptable to various applications of themetalworking industry are presented