Moving least‐squares aided finite element method: A powerful means to predict flow fields in the presence of a solid part

M Mostafaiyan, S Wießner… - International Journal for …, 2024 - Wiley Online Library
With the assistance of the moving least‐squares (MLS) interpolation functions, a two‐
dimensional finite element code is developed to consider the effects of a stationary or …

Application of local least squares finite element method (LLSFEM) in the interface capturing of two-phase flow systems

M Mostafaiyan, S Wiessner, G Heinrich, MS Hosseini… - Computers & …, 2018 - Elsevier
A least squares finite element method (LSFEM) is applied locally for the prediction of the
interface advection in a two-phase flow system. Moreover, a phantom element is introduced …

Moving least-squares aided finite element method (MLS-FEM): A powerful means to predict pressure discontinuities of multi-phase flow fields and reduce spurious …

M Mostafaiyan, S Wießner, G Heinrich - Computers & Fluids, 2020 - Elsevier
A technique based on the finite element method (FEM) is developed to precisely predict the
pressure jump due to the surface tension forces in two-phase flow problems. In this method …

Moving least-squares aided finite element method (MLS-FEM): A powerful means to consider simultaneously velocity and pressure discontinuities of multi-phase flow …

M Mostafaiyan, S Wießner, G Heinrich - Computers & Fluids, 2022 - Elsevier
We suggest a strategy to consider discontinuities in the two-phase flow calculations. Our
approach comprises enhancing the shape functions of the finite element method (FEM) with …

Study of dispersive and distributive mixing in a converging pipe

M Mostafaiyan, S Wiessner, G Heinrich - International Polymer …, 2016 - degruyter.com
The cree** flow of a polymeric melt in a converging pipe is analyzed using an in-house
finite element code. An introduced power-law model considers the shear thinning behavior …

Moving Least-Squares Aided Finite Element method (MLS-FEM): A Powerful Means to Evaluate Distributive Mixing

M Mostafaiyan, S Wießner, G Heinrich - 2023 - preprints.org
Abstract Introducing the Moving Least-Squares Aided Finite Element Method (MLS-FEM),
we present a robust computational technique that effectively evaluates the development of …

Study of distributive mixing in a journal bearing flow geometry

M Mostafaiyan, S Wießner, G Heinrich - International Polymer …, 2022 - degruyter.com
We implicitly assess the distributive mixing of generalized Newtonian fluids with shear-
thinning behavior in a journal bearing flow geometry. For this purpose, we firstly develop a …

The moving least square aided finite element method (MLS-FEM): A powerful means to evaluate mixing phenomena in fully filled polymer mixing devices

M Mostafaiyan, S Wießner, G Heinrich - AIP Conference Proceedings, 2020 - pubs.aip.org
The distributive mixing in the cross-section of an internal batch mixer has been numerically
studied. For this purpose, a particle tracking method is employed to evaluate and save the …

流動解析を用いた押出混練現象把握

山田紗矢香 - 成形加工, 2021 - jstage.jst.go.jp
パラメータは, 周方向のフライトの数, 軸方向のフライトの数および軸方向のフライトのずらし角度で
ある. 粒子追跡の結果の観察からは, 形状パラメータによって分配に差があることがわかった …

押出成形

山田紗矢香 - 成形加工, 2016 - jstage.jst.go.jp
関数が重要であると提案しており, 縮小流動における形状パラメータと**均ひずみ関数の関係を求め
た. その結果, **均ひずみ関数は縮小流路長と斜度の影響を受けることが明らかになったと述べて …