# A Fresh New Start

RuninChaos.com | Created by Runmin ZHAO

## 2018年12月

December 13, 2018

# Check the Grid Resolution in the Outer Region of Fluid Flow in ParaView

The yPlus value is an important index to consider when choosing the grid size for the near-wall region. How about the outer region?The Rule-of-Thumb EstimationThere is a rule-of-thumb estimation fo...
December 13, 2018

# How to Define Time-Varying Boundary Conditions in OpenFOAM

The velocity varying with time can be represented as$$U = As\sin({2\pi{}t}) + l$$inlet_u { type uniformFixedValue; uniformValue sine; uniformValueCoeffs { ...