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Håvar Ilstad
Håvar Ilstad
Equinor
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Validation of constitutive models applicable to aluminium foams
AG Hanssen, OS Hopperstad, M Langseth, H Ilstad
International journal of mechanical sciences 44 (2), 359-406, 2002
8832002
Effects of the yield criterion on local deformations in numerical simulation of profile forming
OS Hopperstad, T Berstad, H Ilstad, OG Lademo, M Langseth
Journal of materials processing technology 80, 551-555, 1998
481998
Quasi-static and dynamic indentation of offshore pipelines with and without multi-layer polymeric coating
O Vestrum, M Kristoffersen, MA Polanco-Loria, H Ilstad, M Langseth, ...
Marine Structures 62, 60-76, 2018
302018
The behaviour of an offshore steel pipeline material subjected to bending and stretching
A Manes, R Porcaro, H Ilstad, E Levold, M Langseth, T Børvik
Ships and Offshore Structures 7 (4), 371-387, 2012
302012
Dynamic simulation of subsea pipeline and trawl board pull-over interaction
V Longva, S Sævik, E Levold, H Ilstad
Marine structures 34, 156-184, 2013
262013
Method for laying a pipeline having an inner corrosion proof cladding
G Endal, E Levold, H Ilstad
US Patent 8,226,327, 2012
252012
Protection profile for subsea cables
JE Karlsen, L Hennig, H Ilstad, B Melve
US Patent 7,282,638, 2007
212007
Hydrodynamical aspects of pipeline overtrawling
P Teigen, H Ilstad, E Levold, K Hansen
ISOPE International Ocean and Polar Engineering Conference, ISOPE-I-09-061, 2009
132009
Response of corrugated steel walls due to pressure loads
KA Malo, H Ilstad
WIT Transactions on The Built Environment 8, 1970
131970
Damage and failure in an X65 steel pipeline caused by trawl gear impact
M Kristoffersen, T Børvik, M Langseth, OS Hopperstad, H Ilstad, E Levold
International Conference on Offshore Mechanics and Arctic Engineering 55331 …, 2013
122013
Dynamic simulation of free-spanning pipeline trawl board pull-over
V Longva, S Sævik, E Levold, H Ilstad, P Teigen
International Conference on Offshore Mechanics and Arctic Engineering 44366 …, 2011
122011
Validation of numerical collapse behaviour of thin-walled corrugated panels
H Ilstad
Doctoral thesis, Department of Structural Engineering, Norwegian University …, 1999
81999
A gauge for measurements of soil-structure interface force due to explosive loading
H Ilstad, T Borvik, KA Malo
WIT Transactions on The Built Environment 8, 1970
51970
A numerical-experimental approach of indentation roblem part i: force-dent response of steel pipes
MA Polanco-Loria, H Ilstad, E Levold
OMAE2017-61890, Proceedings of the ASME 2017 36th International Conference …, 2017
42017
Subsea gravity separator
H Ilstad, HA Nes
US Patent 8,597,506, 2013
42013
Patent No
G Endal, E Levold, H Ilstad
PCT/NO2007/000427: Method for Laying a Pipeline Having an Inner Corrosion …, 2007
42007
Strengthening Effect from Steel Pipe Cladding in Pure Bending
H Ilstad, HA Nes, G Endal
International Conference on Offshore Mechanics and Arctic Engineering 47497 …, 2006
42006
Propagation pressure collapse in conventional pipelines and MLPs: Numerical investigation
G Giordani, H Ilstad, E Levold, TGR Clarke, AR de Paula Dias, G Birck, ...
Marine Structures 83, 103192, 2022
32022
Quasi-static and dynamic deformation of polymer coated pipes
O Vestrum, M Kristoffersen, M Langseth, T Børvik, MA Polanco-Loria, ...
International Conference on Offshore Mechanics and Arctic Engineering 57656 …, 2017
32017
On-Bottom Stability Optimisation of the BM-C-33 Pipeline Using 3D Non-Linear Time-Domain Analysis
PR Nystrøm, OM Lyngsaunet, JJ Vieiro, V Longva, E Giertsen, H Ilstad, ...
ISOPE International Ocean and Polar Engineering Conference, ISOPE-I-23-212, 2023
22023
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