Dr. Ravivat Rugsaj

Name: Dr. Ravivat Rugsaj

Position: Lecturer

Email: ravivatrgs@au.edu

Office: VME0605


  • Ph.D. in Mechanical Engineering, Mahidol University
  • M.Eng. in Mechanical Engineering, Kasetsart University
  • B.Eng. in Mechanical Engineering, Kasetsart University

Research Area:

Finite Element Method (FEM), Fluid Structure Interaction (FSI), Applied Numerical Method, Optimization, Artificial Intelligence (AI), Mathematical Modelling of Nonlinear Material, Hyperelasticity, Viscoelasticity, Product and structural design using FEM, Process simulation using FEM.


  • Rugsaj, R., Suvanjumrat, C. Development of a Novel Spoke Structure of Non-Pneumatic Tires for Skid-Steer Loaders using Finite Element Analysis. To be published in Mech Base Des Struct Mach. [In Press] 2022.
  • Rugsaj, R., Suvanjumrat, C. Dynamic Finite Element Analysis of Rolling Non-Pneumatic Tire. IntJ Automot Technol. 2021, 22(4):1011-1012.
  • Rugsaj, R., Suvanjumrat, C. Study of geometric effects on nonpneumatic tire spoke structures using finite element method. Mech Base Des Struct Mach. 2022, 50(7):2379-2399.
  • Rugsaj, R., Suvanjumrat, C. Proper Radial Spokes of Non-Pneumatic Tire for Vertical Load Supporting by Finite Element Analysis. IntJ Automot Technol. 2019, 20(4):801-12.
  • Rugsaj, R., Suvanjumrat, C. Study of mechanical properties of 3d printed material for non-pneumatic tire spoke. Key Engineering Materials, 2021, 880: 97–102
  • Rugsaj, R., Suvanjumrat, C. Mechanical characteristics of airless tyre by laboratory testing. IOP Conf Ser Mater Sci Eng. 2020;886
  • Rugsaj, R., Suvanjumrat, C. Development of a Transient Dynamic Finite Clement Model for the Drum Testing of a Non-Pneumatic Tire. IOP Conf Ser Mater Sci Eng. 2020, 773.
  • Suvanjumrat, C., Rugsaj, R. The Dynamic Finite Element Model of Non-Pneumatic Tire under Comfortable Riding Evaluation. International Journal of GEOMATE, 2020, 19(76): 62–68
  • Suvanjumrat, C., Ploysook, N., Rugsaj, R., Chookaew, W. A novel simulation of bottle blow molding to determine suitable parison thicknesses for die shaping. Songklanakarin Journal of Science and Technology. 2019, 41(5):1005-13.
  • Suvanjumrat, C., Ploysook, N., Rugsaj, R. Blow molding simulation using the cross-section technique for complex shape bottles. Engineering Journal. 2018, 22(2):169-83.
  • Rugsaj, R., Suvanjumrat, C. Finite Element Analysis of Hyperelastic Material Model for Non-Pneumatic Tire. Key Engineering Materials. 2018, 775:554-9.
  • Rugsaj, R., Suvanjumrat, C. Determination of Material Property for Non-Pneumatic Tire Spokes by Inverse Method. Key Engineering Materials. 2018, 777:411-5.
  • Suvanjumrat, C., Rugsaj, R. Finite Element Modeling with Embed Rebar Elements and Steady State Rolling Analysis for Rolling Resistance Test of Pneumatic Tire. MATEC Web Conf. 2017, 95:02004.
  • Suvanjumrat, C., Rugsaj, R. Lifetime estimation for metal sheet cladding and roofing in wang-noi combined cycle power plant. Engineering Journal. 2016, 20(2):147-58.
  • Ploysook, N., R. Rugsaj and C. Suvanjumrat. 2015. Suitable die shaping for a rectangular shape bottle by application of FEM and AI technique. International Journal of Mechanical, Aerospace, Industrial and Mechatronics Engineering 9 (3): 360-364.


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