A radially loaded, 130 mm diameter ball bearing, simulated using ANSYS LS-Dyna. The radial internal clearance is only 1 micrometer. The outer raceway is fixed, while the inner raceway spins quickly from standstill to 6000 rpm.The Hertzian stress distribution at contact…
Blast simulation using ANSYS Fluent – Part II
CFD simulation of blast effects in a confined environment. The domain is a cylinder of 1 meter in diameter and 1 meter in height, with rigid walls, modeled as 2D axisymmetric; the initial bulk conditions are 1 bar and 300 K;…
Blast simulation in ANSYS Fluent — Part I
CFD simulation of blast effects in a confined environment. The domain is a cylinder of 1 meter in diameter and 1 meter in height, with rigid walls, modeled as 2D axisymmetric; the initial bulk conditions are 1 bar and 300 K;…
FEA simulation of standard tensile coupon testing
A FE model of a standard cylindrical coupon 0.5 inch in diam. was developed. The geometry of the constant-area test section is completely uniform, no geometric imperfection was induced in order to “help” the necking process. A simplified axisymmetric approach was…
Dam break experiment using Particleworks
Simulation of MARIN Dam Break experiment using MPS method in Particleworks. Water is represented by 2.4 million discrete particles. Calculation performed on GPU.
High-pressure nozzle simulation using Particleworks
Simulation of high-pressure nozzle using Particleworks (MPS method). Design characteristics: operating pressure 80 bar, water flow rate approx. 14.6 liters/min., spray angle 25 deg. The numerical model uses the design flow rate as boundary condition (inlet); the calculated inlet pressure reaches…
Lobe pump simulation using Particleworks
Simulation using MPS method in Particleworks for an industrial positive displacement lobe pump. Pump characteristics: rotor diameter 110 mm, rotor depth 36 mm, speed 600 rpm. Pumped fluid: water. Operating pressures (static): inlet 1 bar, outlet 2 bar. The model is…
Steel beam three-point bending test FEA simulation
A standard 103x106x2000 mm beam made of Structural Steel is subjected to a three-point bending test. The imposed displacement at mid-section is 60 mm. Material was modeled using bi-linear plasticity, with an yield stress of 250 MPa. Computational domain was reduced…
Sloshing Simulation
Simulation of Sloshing inside a 0.8 x 0.4 x 0.5 m (L x W x H) rectangular tank using Particleworks (MPS method). Water depth is 0.15 m (18.8% of L, 30% of H). See ref. [1]. Imposed sinusoidal rigid motion for…
Coastal Defense virtual testing
This is a comparative calculation of two possible designs for Coastal Defense Walls, based on the MPS method (Particleworks).The model represents a shallow water, near-shore case, with a 1/2 gradient sea-wall, from a still water depth of 2 m, up to…