Improvements on FRAPCON3/FRAPTRAN mechanical modelling

Arttu Knuutila

Improvements on FRAPCON3/FRAPTRAN mechanical modelling

Arttu Knuutila

VTT Technical Research Centre of Finland

VTT (former employee or external)

Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Professional

Abstract

Work is described that has been done to modernise the mechanical modelling of FRAPCON and FRAPTRAN codes. FRAPCON and FRAPTRAN are nuclear fuel performance codes for steady-state and transient analyses, respectively. A new stress and strain analysis approach with a finite element model has been implemented in the codes. The finite element model is capable of handling material nonlinearities such as elastic, thermal, plastic and creep deformations, and geometric nonlinearities like large localised cladding deformations, e.g. ballooning of the cladding under loss-of-coolant accident conditions.

Original language	English
Title of host publication	SAFIR, The Finnish Research Programme on Nuclear Power Plant Safety 2003-2006
Subtitle of host publication	Interim Report
Editors	Hanna Räty, Eija Karita Puska
Place of Publication	Espoo
Publisher	VTT Technical Research Centre of Finland
Chapter	3.2
Pages	52-58
ISBN (Electronic)	951-38-6516-9
ISBN (Print)	951-38-6515-0
Publication status	Published - 2004
MoE publication type	D2 Article in professional manuals or guides or professional information systems or text book material

Publication series

Series	VTT Tiedotteita - Meddelanden - Research Notes
Volume	2272
ISSN	1235-0605

Access to Document

https://publications.vtt.fi/pdf/tiedotteet/2004/T2272.pdf#page=54

SAFIR: The Finnish Research Programme on Nuclear Power Plant Safety 2003-2006: Interim Report
Räty, H. (Editor) & Puska, E. (Editor), 2004, Espoo: VTT Technical Research Centre of Finland. 343 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 2272).
Research output: Book/Report › Report

Open Access

Cite this

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title = "Improvements on FRAPCON3/FRAPTRAN mechanical modelling",

abstract = "Work is described that has been done to modernise the mechanical modelling of FRAPCON and FRAPTRAN codes. FRAPCON and FRAPTRAN are nuclear fuel performance codes for steady-state and transient analyses, respectively. A new stress and strain analysis approach with a finite element model has been implemented in the codes. The finite element model is capable of handling material nonlinearities such as elastic, thermal, plastic and creep deformations, and geometric nonlinearities like large localised cladding deformations, e.g. ballooning of the cladding under loss-of-coolant accident conditions.",

author = "Arttu Knuutila",

year = "2004",

language = "English",

isbn = "951-38-6515-0",

series = "VTT Tiedotteita - Meddelanden - Research Notes",

publisher = "VTT Technical Research Centre of Finland",

pages = "52--58",

editor = "Hanna R{\"a}ty and Puska, \{Eija Karita\}",

booktitle = "SAFIR, The Finnish Research Programme on Nuclear Power Plant Safety 2003-2006",

address = "Finland",

}

Knuutila, A 2004, Improvements on FRAPCON3/FRAPTRAN mechanical modelling. in H Räty & EK Puska (eds), SAFIR, The Finnish Research Programme on Nuclear Power Plant Safety 2003-2006: Interim Report. VTT Technical Research Centre of Finland, Espoo, VTT Tiedotteita - Meddelanden - Research Notes, vol. 2272, pp. 52-58. <https://publications.vtt.fi/pdf/tiedotteet/2004/T2272.pdf#page=54>

Improvements on FRAPCON3/FRAPTRAN mechanical modelling. / Knuutila, Arttu.
SAFIR, The Finnish Research Programme on Nuclear Power Plant Safety 2003-2006: Interim Report. ed. / Hanna Räty; Eija Karita Puska. Espoo: VTT Technical Research Centre of Finland, 2004. p. 52-58 (VTT Tiedotteita - Meddelanden - Research Notes, Vol. 2272).

Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Professional

TY - CHAP

T1 - Improvements on FRAPCON3/FRAPTRAN mechanical modelling

AU - Knuutila, Arttu

PY - 2004

Y1 - 2004

N2 - Work is described that has been done to modernise the mechanical modelling of FRAPCON and FRAPTRAN codes. FRAPCON and FRAPTRAN are nuclear fuel performance codes for steady-state and transient analyses, respectively. A new stress and strain analysis approach with a finite element model has been implemented in the codes. The finite element model is capable of handling material nonlinearities such as elastic, thermal, plastic and creep deformations, and geometric nonlinearities like large localised cladding deformations, e.g. ballooning of the cladding under loss-of-coolant accident conditions.

AB - Work is described that has been done to modernise the mechanical modelling of FRAPCON and FRAPTRAN codes. FRAPCON and FRAPTRAN are nuclear fuel performance codes for steady-state and transient analyses, respectively. A new stress and strain analysis approach with a finite element model has been implemented in the codes. The finite element model is capable of handling material nonlinearities such as elastic, thermal, plastic and creep deformations, and geometric nonlinearities like large localised cladding deformations, e.g. ballooning of the cladding under loss-of-coolant accident conditions.

M3 - Chapter or book article

SN - 951-38-6515-0

T3 - VTT Tiedotteita - Meddelanden - Research Notes

SP - 52

EP - 58

BT - SAFIR, The Finnish Research Programme on Nuclear Power Plant Safety 2003-2006

A2 - Räty, Hanna

A2 - Puska, Eija Karita

PB - VTT Technical Research Centre of Finland

CY - Espoo

ER -

Improvements on FRAPCON3/FRAPTRAN mechanical modelling

Abstract

Publication series

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Research output

SAFIR: The Finnish Research Programme on Nuclear Power Plant Safety 2003-2006: Interim Report

Cite this