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Finite element analysis of crankshaft Modal analysis of crankshaft Crankshaft built by solidworks is imported into ansys, which in order to make up the weakness for modeling capacity of ansys, and the parameters of elastic modulus, poisson ration and density of material will be input into ansys.The elastic modulus is 200Gpa, the poisson ration is 0.3, and the density is 7800kg/m3.
In addition, according to the analysis, the joints between the crankshaft main journal and the crank arm, the connecting rod shaft neck and the crank arm that are susceptible to be damaged, and the mesh refinement technique is adopted at these locations.
The seventh mode shape of crankshaft Stress analysis of crankshaft Firstly, a three direction constraint is applied in the crankshaft main journal.
The results indicated that, the joints between the connecting rod journal and the crank arm is weak links on the first crank.
Therefore, measures of improving the stress state of the joints between the connecting rod journal and the crank arm should be considered in the process of design and improvement.

The measured specimen material properties are shown in table 1.
Journal of southwest jiaotong university, 2008,43 (2):206-212
Journal of central south university, 2011,42(2):449-455
Journal of Harbin Institute of Technology,2010,42(2):193-199
Journal of Jiangxi science, 2008, 26 (4):614-617.

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Experimental material is 1mm thick GH3536; the JK702H pulsed Nd: YAG laser is used, the power is 350W, laser beam is TEM00 mode; the exit diameter conical coaxial nozzle is 1mm; the relative distance between lower surface of the nozzle and plate surface is 1mm; the auxiliary gas is argon; the collection of pulse-induced acoustic sound is the same as the reference [11].
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（11） Where is the relative sliding velocity (m/s), constant a, b, c, d is decided by the material and load.
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Materials Science Forum Vols. *** (2004) pp.537-541 online at http://scientific.net  2004 Trans Tech Publications, Switzerland A Combined Model of the Active Vibration Control of the Coupled Flexible System J.C.
Some moment actuators [7] are installed on the foundation to reduce the vibration and to control the shapes of Advances in Materials Manufacturing Science and Technology 538 structures.
Thus the disturbances matrices oD and LD in Eq.7 can be combined in a single Materials Science Forum Vols. *** 539 equation, then Eq.7 can be rewritten as )(tDdBUAXX ++=&
Similarly, a hybridized active Advances in Materials Manufacturing Science and Technology 540 system will degenerate into other control types when the corresponding coefficients are selected properly.
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In recent society, the lap joint that is one of the joint techniques in the industrial society is used for the purpose of joint with the material and the material or the material and the metal and dissimilar materials.
The temperature in the adhesive layer is constantly maintained with the adhesive that calls the mother material.
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SS316L material were chosen for the material of this research.
SS316L filler wire and S235 substrate are the materials designated for the creation of the numerical model in MSC Marc/Mentat.
While fundamental material characteristics like latent heat, solidus, and liquidus temperatures are acquired from material modelling software, process parameter models matched the real parameters.
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DOI: [6] Huang J, Guan Z, Yu S, "A 3D dynamic analysis of different depositing processes used in wire arc additve manufacturing" in Materials Today Communications 24 (2020)

Ellipsometry has been commonly used to provide accurate measurement of the material’s optical constants 11,12.
Acknowledgements This work was supported by A Project of Shandong Province Higher Educational Science and Technology Program(Grant No.
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