Limit state analyses in design of thin-walled marine structures-some aspects on length-scales

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussavertaisarvioitu

Standard

Limit state analyses in design of thin-walled marine structures-some aspects on length-scales. / Romanoff, Jani; Remes, Heikki; Varsta, Petri; Goncalves, Bruno Reinaldo; Lillemäe-Avi, Ingrit; Körgesaar, Mihkel; Jelovica, Jasmin; Liinalampi, Sami.

Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering. Vuosikerta 11B The American Society of Mechanical Engineers (ASME), 2018.

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussavertaisarvioitu

Harvard

Romanoff, J, Remes, H, Varsta, P, Goncalves, BR, Lillemäe-Avi, I, Körgesaar, M, Jelovica, J & Liinalampi, S 2018, Limit state analyses in design of thin-walled marine structures-some aspects on length-scales. julkaisussa Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering. Vuosikerta. 11B, The American Society of Mechanical Engineers (ASME), Madrid, Espanja, 17/06/2018. https://doi.org/10.1115/OMAE2018-78304

APA

Romanoff, J., Remes, H., Varsta, P., Goncalves, B. R., Lillemäe-Avi, I., Körgesaar, M., ... Liinalampi, S. (2018). Limit state analyses in design of thin-walled marine structures-some aspects on length-scales. teoksessa Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering (Vuosikerta 11B). The American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/OMAE2018-78304

Vancouver

Romanoff J, Remes H, Varsta P, Goncalves BR, Lillemäe-Avi I, Körgesaar M et al. Limit state analyses in design of thin-walled marine structures-some aspects on length-scales. julkaisussa Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering. Vuosikerta 11B. The American Society of Mechanical Engineers (ASME). 2018 https://doi.org/10.1115/OMAE2018-78304

Author

Romanoff, Jani ; Remes, Heikki ; Varsta, Petri ; Goncalves, Bruno Reinaldo ; Lillemäe-Avi, Ingrit ; Körgesaar, Mihkel ; Jelovica, Jasmin ; Liinalampi, Sami. / Limit state analyses in design of thin-walled marine structures-some aspects on length-scales. Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering. Vuosikerta 11B The American Society of Mechanical Engineers (ASME), 2018.

Bibtex - Lataa

@inproceedings{ff37eff957384fbdb9d61cb4418e003e,
title = "Limit state analyses in design of thin-walled marine structures-some aspects on length-scales",
abstract = "Present paper gives an overview of the factors that affect the strength and structural design of advanced thin-walled marine structures with reduced plate thickness or alternative topologies to those used today in marine industry. Due to production induced initial deformations and resulting geometrical nonlinearity, the classical division between primary, secondary and tertiary responses becomes strongly coupled. Volume-averaged, non-linear response of structural element can be used to define the structural stress strain relation that enables analysis at the next, larger, length scale. This, today's standard homogenization process needs to be complemented with localization, where the stresses are assessed at the details, such as welds for fatigue analysis. Due to this, the production-induced initial distortions need to be considered with high accuracy. Another key question is the length-scale interaction in terms of continuum description. Non-classical continuum mechanics are needed when consequtive scales are close. Strain-gradients are used to increase the accuracy of the kinematical description of beams, plates and shells. The paper presents examples of stiffened and sandwich panels covering limit states such as fatigue, non-linear buckling and fracture.",
author = "Jani Romanoff and Heikki Remes and Petri Varsta and Goncalves, {Bruno Reinaldo} and Ingrit Lillem{\"a}e-Avi and Mihkel K{\"o}rgesaar and Jasmin Jelovica and Sami Liinalampi",
year = "2018",
month = "1",
day = "1",
doi = "10.1115/OMAE2018-78304",
language = "English",
volume = "11B",
booktitle = "Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering",
publisher = "The American Society of Mechanical Engineers (ASME)",

}

RIS - Lataa

TY - GEN

T1 - Limit state analyses in design of thin-walled marine structures-some aspects on length-scales

AU - Romanoff, Jani

AU - Remes, Heikki

AU - Varsta, Petri

AU - Goncalves, Bruno Reinaldo

AU - Lillemäe-Avi, Ingrit

AU - Körgesaar, Mihkel

AU - Jelovica, Jasmin

AU - Liinalampi, Sami

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Present paper gives an overview of the factors that affect the strength and structural design of advanced thin-walled marine structures with reduced plate thickness or alternative topologies to those used today in marine industry. Due to production induced initial deformations and resulting geometrical nonlinearity, the classical division between primary, secondary and tertiary responses becomes strongly coupled. Volume-averaged, non-linear response of structural element can be used to define the structural stress strain relation that enables analysis at the next, larger, length scale. This, today's standard homogenization process needs to be complemented with localization, where the stresses are assessed at the details, such as welds for fatigue analysis. Due to this, the production-induced initial distortions need to be considered with high accuracy. Another key question is the length-scale interaction in terms of continuum description. Non-classical continuum mechanics are needed when consequtive scales are close. Strain-gradients are used to increase the accuracy of the kinematical description of beams, plates and shells. The paper presents examples of stiffened and sandwich panels covering limit states such as fatigue, non-linear buckling and fracture.

AB - Present paper gives an overview of the factors that affect the strength and structural design of advanced thin-walled marine structures with reduced plate thickness or alternative topologies to those used today in marine industry. Due to production induced initial deformations and resulting geometrical nonlinearity, the classical division between primary, secondary and tertiary responses becomes strongly coupled. Volume-averaged, non-linear response of structural element can be used to define the structural stress strain relation that enables analysis at the next, larger, length scale. This, today's standard homogenization process needs to be complemented with localization, where the stresses are assessed at the details, such as welds for fatigue analysis. Due to this, the production-induced initial distortions need to be considered with high accuracy. Another key question is the length-scale interaction in terms of continuum description. Non-classical continuum mechanics are needed when consequtive scales are close. Strain-gradients are used to increase the accuracy of the kinematical description of beams, plates and shells. The paper presents examples of stiffened and sandwich panels covering limit states such as fatigue, non-linear buckling and fracture.

UR - http://www.scopus.com/inward/record.url?scp=85055338102&partnerID=8YFLogxK

U2 - 10.1115/OMAE2018-78304

DO - 10.1115/OMAE2018-78304

M3 - Conference contribution

VL - 11B

BT - Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering

PB - The American Society of Mechanical Engineers (ASME)

ER -

ID: 29223185