Hierarchical multi-mode molecular stress function (HMMSF) model for linear and LCB polymer melts

Esmaeil Narimissa; Manfred H. Wagner

doi:10.1063/1.5088301

Hierarchical multi-mode molecular stress function (HMMSF) model for linear and LCB polymer melts

Esmaeil Narimissa^*, Manfred H. Wagner

^*Corresponding author for this work

Chemical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We have developed a novel Hierarchical Multi-mode Molecular Stress Function (HMMSF) model for linear and long-chain branched (LCB) polymer melts implementing the basic ideas of (i) hierarchical relaxation, (ii) dynamic dilution, (iii) interchain tube pressure, and (iv) convective constraint release. The excellent predictions of this model were demonstrated in uniaxial, equibiaxial, and planar extensional deformation for linear and LCB melts, as well as in shear flow for a LCB polymer, with a minimum number of adjustable free nonlinear material parameters, i.e. one in the case of extensional flows, and two in shear flow.

Original language	English
Title of host publication	Proceedings of PPS-34
Subtitle of host publication	34th International Conference of the Polymer Processing Society - Conference Papers
Editors	Shih-Jung Liu
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735417939
DOIs	https://doi.org/10.1063/1.5088301
State	Published - 6 Feb 2019
Event	34th International Conference of the Polymer Processing Society, PPS 2018 - Taipei, Taiwan, Province of China Duration: 21 May 2018 → 25 May 2018

Publication series

Name	AIP Conference Proceedings
Volume	2065
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	34th International Conference of the Polymer Processing Society, PPS 2018
Country	Taiwan, Province of China
City	Taipei
Period	21/05/18 → 25/05/18

Keywords

Extensional Flow
Molecular Stress Function
Polymer Melt
Rheological Modeling
Shear Flow

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10.1063/1.5088301

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Narimissa, E., & Wagner, M. H. (2019). Hierarchical multi-mode molecular stress function (HMMSF) model for linear and LCB polymer melts. In S-J. Liu (Ed.), Proceedings of PPS-34: 34th International Conference of the Polymer Processing Society - Conference Papers [030043] (AIP Conference Proceedings; Vol. 2065). American Institute of Physics Inc.. https://doi.org/10.1063/1.5088301

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title = "Hierarchical multi-mode molecular stress function (HMMSF) model for linear and LCB polymer melts",

abstract = "We have developed a novel Hierarchical Multi-mode Molecular Stress Function (HMMSF) model for linear and long-chain branched (LCB) polymer melts implementing the basic ideas of (i) hierarchical relaxation, (ii) dynamic dilution, (iii) interchain tube pressure, and (iv) convective constraint release. The excellent predictions of this model were demonstrated in uniaxial, equibiaxial, and planar extensional deformation for linear and LCB melts, as well as in shear flow for a LCB polymer, with a minimum number of adjustable free nonlinear material parameters, i.e. one in the case of extensional flows, and two in shear flow.",

keywords = "Extensional Flow, Molecular Stress Function, Polymer Melt, Rheological Modeling, Shear Flow",

author = "Esmaeil Narimissa and Wagner, {Manfred H.}",

year = "2019",

month = feb,

day = "6",

doi = "10.1063/1.5088301",

language = "英语",

series = "AIP Conference Proceedings",

publisher = "American Institute of Physics Inc.",

editor = "Shih-Jung Liu",

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Narimissa, E & Wagner, MH 2019, Hierarchical multi-mode molecular stress function (HMMSF) model for linear and LCB polymer melts. in S-J Liu (ed.), Proceedings of PPS-34: 34th International Conference of the Polymer Processing Society - Conference Papers., 030043, AIP Conference Proceedings, vol. 2065, American Institute of Physics Inc., 34th International Conference of the Polymer Processing Society, PPS 2018, Taipei, Taiwan, Province of China, 21/05/18. https://doi.org/10.1063/1.5088301

Hierarchical multi-mode molecular stress function (HMMSF) model for linear and LCB polymer melts. / Narimissa, Esmaeil; Wagner, Manfred H.

Proceedings of PPS-34: 34th International Conference of the Polymer Processing Society - Conference Papers. ed. / Shih-Jung Liu. American Institute of Physics Inc., 2019. 030043 (AIP Conference Proceedings; Vol. 2065).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Hierarchical multi-mode molecular stress function (HMMSF) model for linear and LCB polymer melts

AU - Narimissa, Esmaeil

AU - Wagner, Manfred H.

PY - 2019/2/6

Y1 - 2019/2/6

N2 - We have developed a novel Hierarchical Multi-mode Molecular Stress Function (HMMSF) model for linear and long-chain branched (LCB) polymer melts implementing the basic ideas of (i) hierarchical relaxation, (ii) dynamic dilution, (iii) interchain tube pressure, and (iv) convective constraint release. The excellent predictions of this model were demonstrated in uniaxial, equibiaxial, and planar extensional deformation for linear and LCB melts, as well as in shear flow for a LCB polymer, with a minimum number of adjustable free nonlinear material parameters, i.e. one in the case of extensional flows, and two in shear flow.

AB - We have developed a novel Hierarchical Multi-mode Molecular Stress Function (HMMSF) model for linear and long-chain branched (LCB) polymer melts implementing the basic ideas of (i) hierarchical relaxation, (ii) dynamic dilution, (iii) interchain tube pressure, and (iv) convective constraint release. The excellent predictions of this model were demonstrated in uniaxial, equibiaxial, and planar extensional deformation for linear and LCB melts, as well as in shear flow for a LCB polymer, with a minimum number of adjustable free nonlinear material parameters, i.e. one in the case of extensional flows, and two in shear flow.

KW - Extensional Flow

KW - Molecular Stress Function

KW - Polymer Melt

KW - Rheological Modeling

KW - Shear Flow

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