Accession Number:

AD1069202

Title:

Particle-Based Numerical Offshore Tank

Descriptive Note:

Technical Report,01 Sep 2016,30 Jun 2018

Corporate Author:

Fundacao de Apoio a Universidade de Sao Paulo (FUSP) Sao Paulo Brazil

Personal Author(s):

• Yee,Cheng L.

Report Date:

2018-08-24

Pagination or Media Count:

17.0

Abstract:

This study is focused on two critical issues of the flexible but compute-intensive particle-based CFD methods. Based on the particle-level momentum conservation, new source terms were derived for pressure Poisson equation. Besides the suppression of spurious pressure oscillations, the proposed approach is computationally efficient, consistent in time domain, has easily calibratable numerical parameter and simple implementation. Also, a new multiresolution technique based on border mapping was proposed to reduce the computational cost. Despite the overheads due to multiresolution processing and asymmetrical linear system, its feasibility and speed up capability were confirmed.

Descriptors:

• computational fluid dynamics
• algorithms
• simulations
• topology
• oscillation
• numerical analysis
• particles
• momentum
• time domain
• low resolution
• high resolution

Subject Categories:

• Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE