A Finite Element Modeling and Analysis Method for Four-Wheel Drive Transmission Differential
An analysis method and differential technology, applied in the automotive field, can solve the problem of inaccurate calculation method of the strength of the differential of the four-wheel drive transmission, and achieve the effect of improving the technical level, simplifying the geometric model, and improving the accuracy and rapidity.
Active Publication Date: 2021-10-26
GETRAG JIANGXI TRANSMISSION
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Problems solved by technology
[0004] The purpose of the present invention is to provide a finite element modeling analysis method for a four-wheel drive transmission differential, which solves the problem of inaccurate strength calculation methods for four-wheel drive transmission differentials in the prior art
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[0035]An embodiment of the present invention provides a finite element modeling and analysis method for a differential of a four-wheel drive transmission, and its specific steps are described below.
[0036] Please refer to figure 1 , the specific steps of the finite element modeling and analysis method for the differential of the four-wheel drive transmission are: step S1, establishing the geometric assembly model of the differential assembly; step S2, dividing the structure of each part of the differential assembly into meshes , set the material properties and unit properties; step S3, establish the contact relationship between the various parts of the differential assembly; step S4, process the load distribution relationship according to the working principle of the four-wheel drive transmission and the differential assembly; step S5, set Analyzing the boundary conditions and applied loads of the geometric assembly model; step S6, iteratively calculating the finite element ...
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The invention discloses a finite element modeling analysis method for a differential of a four-wheel drive transmission, which relates to the technical field of automobiles. The steps include: step S1, establishing the geometric assembly model of the differential gear assembly; step S2, dividing the structure of each part of the differential gear assembly into meshes, setting material properties and unit properties; step S3, establishing The contact relationship between the formed parts; step S4, process the load distribution relationship according to the working principle of the four-wheel drive transmission and differential assembly; step S5, set the boundary conditions and applied loads of the analytical geometric assembly model; step S6, analyze the difference The finite element model of the gearbox assembly is iteratively calculated, and the calculation results are processed. Through a reasonable simplified geometric model and realistic boundary settings and load distribution settings, not only can the relationship between the various components of the four-wheel drive transmission differential be correctly represented, but also the impact of the four-wheel drive transmission differential can be truly simulated. The force situation improves the accuracy of the finite element strength analysis of the four-wheel drive transmission differential.
Description
technical field [0001] The invention relates to the technical field of automobiles, and in particular to a finite element modeling analysis method for a differential of a four-wheel drive transmission. Background technique [0002] The automobile differential is a mechanism that enables the driving wheels to rotate at different speeds, and is one of the key components of the automobile. Differentials are subjected to alternating impact loads when they work, requiring them to have good comprehensive mechanical properties. [0003] The working condition and stress mode of the differential of the four-wheel drive transmission are more complicated than those of the two-wheel drive transmission, and the design requirements are also higher. At present, there is no relevant published technical literature on the strength calculation method for the differential of the four-wheel drive transmission. Contents of the invention [0004] The purpose of the present invention is to prov...
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IPC IPC(8): G06F30/23G06F119/14
CPCG06F30/23G06F2119/06
Inventor 王文光淦吉昌邓小梅王金明郭媛
Owner GETRAG JIANGXI TRANSMISSION