O. Hopperstad

Materials Chemistry · 2000–2015

A researcher in the Science corpus: 27 papers; trusts 9 researchers and is trusted by 47 researchers here, as inferred from the citation graph.

Subfields

• Materials Chemistry — 49 citations into it; #437 of 11,513 by trust here, #2,027 by citations
• Mechanical Engineering — 49 citations into it; #314 of 8,300 by trust here, #679 by citations
• Mechanics of Materials — 47 citations into it; #1,514 of 6,291 by trust here, #1,343 by citations
• Civil and Structural Engineering — 16 citations into it; #379 of 6,160 by trust here, #414 by citations
• Computational Mechanics — 8 citations into it; #4,647 of 10,001 by trust here, #2,309 by citations
• Aerospace Engineering — 5 citations into it; #1,288 of 6,421 by trust here, #1,183 by citations

Whom O. Hopperstad trusts overall

Their strongest outbound trust, strongest first, inferred from their citations.

1. T. Børvik
2. M. Langseth
3. Tor Jan Derek Berstad
4. A. Reyes
5. A. Clausen
6. A. Hanssen
7. S. Dey

Who trusts O. Hopperstad overall

1. T. Børvik
2. Shu Yang
3. E. Flores-Johnson
4. Chang Qi
5. S. Dey
6. Zhibin Li
7. M. Langseth
8. Guangyong Sun
9. A. Reyes
10. A. Baroutaji

Papers from O. Hopperstad's perspective

Ordered by how strongly the researchers O. Hopperstad trusts endorse each paper. Same corpus, a different order for every researcher.

1. Practical aspects of numerical simulation of dynamic events: material interfaces
2. Effect of target thickness in blunt projectile penetration of Weldox 460 E steel plates
3. On the Portevin–Le Chatelier effect: theoretical modeling and numerical results
4. Effect of projectile nose shape, impact velocity and target thickness on deformation behavior of aluminum plates
5. Square aluminum tubes subjected to oblique loading
6. Validation of constitutive models applicable to aluminium foams
7. Review of experimental techniques for high rate deformation and shock studies
8. On the characteristics of Portevin-Le Chatelier bands in aluminum alloy 5182 under stress-controlled and strain-controlled tensile testing
9. Characterization, modelling and simulation of deformation and fracture behaviour of the light-weight wrought alloys under high strain rate loading
10. High strain rate properties of selected aluminium alloys

Their papers

• A computational model of viscoplasticity and ductile damage for impact and penetration (2001) — 469 citations
• Effect of target thickness in blunt projectile penetration of Weldox 460 E steel plates (2003) — 252 citations
• Perforation of 12 mm thick steel plates by 20 mm diameter projectiles with flat, hemispherical and conical noses: Part II: numerical simulations (2002) — 273 citations
• Numerical simulation of plugging failure in ballistic penetration (2001) — 159 citations
• The effect of target strength on the perforation of steel plates using three different projectile nose shapes (2004) — 259 citations
• Flow and fracture characteristics of aluminium alloy AA5083–H116 as function of strain rate, temperature and triaxiality (2004) — 373 citations
• Crashworthiness of aluminum extrusions subjected to oblique loading: experiments and numerical analyses (2002) — 169 citations
• Perforation of 12 mm thick steel plates by 20 mm diameter projectiles with flat, hemispherical and c (2002) — 325 citations
• Static and dynamic crushing of square aluminium extrusions with aluminium foam filler (2000) — 657 citations
• On the ballistic resistance of double-layered steel plates: An experimental and numerical investigation (2007) — 255 citations
• Perforation of AA5083-H116 aluminium plates with conical-nose steel projectiles : Calculations (2009) — 149 citations
• Multi-level modelling of mechanical anisotropy of commercial pure aluminium plate: crystal plasticity models, advanced yield functions and parameter identification (2015) — 156 citations
• Numerical predictions of ballistic limits for concrete slabs using a modified version of the HJC concrete model (2008) — 204 citations
• Quasi-brittle fracture during structural impact of AA7075-T651 aluminium plates (2010) — 188 citations
• Constitutive modeling of aluminum foam including fracture and statistical variation of density (2003) — 205 citations
• Stress–strain behaviour of aluminium alloys at a wide range of strain rates (2009) — 247 citations
• On the resistance to penetration of stiffened plates, Part II: Numerical analysis (2009) — 195 citations
• An experimental and numerical investigation of the behaviour of AA5083 aluminium alloy in presence of the Portevin–Le Chatelier effect (2008) — 187 citations
• Axial crushing of thin-walled high-strength steel sections (2006) — 256 citations
• Perforation of AA5083-H116 aluminium plates with conical-nose steel projectiles—experimental study (2004) — 168 citations