D-Index & Metrics Best Publications

D-Index & Metrics

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Materials Science D-index 57 Citations 12,243 257 World Ranking 3821 National Ranking 2

Research.com Recognitions

Awards & Achievements

Member of the Norwegian Academy of Science and Letters Technology

Overview

What is he best known for?

The fields of study he is best known for:

  • Composite material
  • Structural engineering
  • Aluminium

His primary areas of investigation include Composite material, Structural engineering, Finite element method, Aluminium and Constitutive equation. His study looks at the relationship between Composite material and topics such as Dynamic testing, which overlap with Inertia. His studies in Structural engineering integrate themes in fields like Isotropy, Stress, Fracture and Strain hardening exponent.

His Finite element method study combines topics from a wide range of disciplines, such as Mechanics, Instability, Numerical analysis and Projectile. His specific area of interest is Aluminium, where Odd Sture Hopperstad studies Aluminium alloy. His research in Constitutive equation intersects with topics in Dynamic loading, Strain rate, Ballistic limit and Digital image correlation.

His most cited work include:

  • Static and dynamic crushing of square aluminium extrusions with aluminium foam filler (457 citations)
  • Validation of constitutive models applicable to aluminium foams (303 citations)
  • A computational model of viscoplasticity and ductile damage for impact and penetration (299 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Composite material, Structural engineering, Finite element method, Aluminium and Ultimate tensile strength. His study looks at the intersection of Composite material and topics like Metallurgy with Texture. The various areas that he examines in his Structural engineering study include Isotropy, Material properties, Fracture and Strain hardening exponent.

When carried out as part of a general Finite element method research project, his work on Constitutive equation is frequently linked to work in Perforation, therefore connecting diverse disciplines of study. Odd Sture Hopperstad works mostly in the field of Aluminium, limiting it down to topics relating to Alloy and, in certain cases, Microstructure, as a part of the same area of interest. His research integrates issues of Stress–strain curve, Strain and Necking in his study of Ultimate tensile strength.

He most often published in these fields:

  • Composite material (46.26%)
  • Structural engineering (36.21%)
  • Finite element method (29.89%)

What were the highlights of his more recent work (between 2015-2021)?

  • Composite material (46.26%)
  • Finite element method (29.89%)
  • Ultimate tensile strength (24.43%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Composite material, Finite element method, Ultimate tensile strength, Plasticity and Aluminium. Odd Sture Hopperstad works mostly in the field of Composite material, limiting it down to topics relating to Anisotropy and, in certain cases, Orthotropic material. His study on Finite element method is covered under Structural engineering.

His Ultimate tensile strength study also includes fields such as

  • Work hardening, which have a strong connection to Dislocation,

  • Strain rate together with Digital image correlation. His Plasticity research also works with subjects such as

  • Mechanics and related Yield surface,

  • Porosity that connect with fields like Void,

  • Yield which intersects with area such as Isotropy. His studies in Aluminium integrate themes in fields like Finite element code, Extrusion, Thermodynamics, Ductility and Microstructure.

Between 2015 and 2021, his most popular works were:

  • Latent hardening and plastic anisotropy evolution in AA6060 aluminium alloy (51 citations)
  • Influence of fragmentation on the capacity of aluminum alloy plates subjected to ballistic impact (29 citations)
  • Strain localization and ductile fracture in advanced high-strength steel sheets (27 citations)

In his most recent research, the most cited papers focused on:

  • Composite material
  • Thermodynamics
  • Aluminium

Odd Sture Hopperstad spends much of his time researching Composite material, Plasticity, Ultimate tensile strength, Aluminium and Structural engineering. Many of his studies on Composite material involve topics that are commonly interrelated, such as Anisotropy. Odd Sture Hopperstad usually deals with Ultimate tensile strength and limits it to topics linked to Stress and Constitutive equation and Necking.

Odd Sture Hopperstad interconnects Alloy and Ductility in the investigation of issues within Aluminium. The concepts of his Structural engineering study are interwoven with issues in Hardening, Fracture, Mechanics, Flow and Deep drawing. His Fracture study combines topics in areas such as Discretization, Bending and Finite element method.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Validation of constitutive models applicable to aluminium foams

A.G. Hanssen;O.S. Hopperstad;M. Langseth;H. Ilstad.
International Journal of Mechanical Sciences (2002)

500 Citations

Static and dynamic crushing of square aluminium extrusions with aluminium foam filler

A.G. Hanssen;M. Langseth;O.S. Hopperstad.
International Journal of Impact Engineering (2000)

474 Citations

A computational model of viscoplasticity and ductile damage for impact and penetration

T Børvik;O.S Hopperstad;T Berstad;M Langseth.
European Journal of Mechanics A-solids (2001)

435 Citations

Static and dynamic axial crushing of square thin-walled aluminium extrusions

M. Langseth;O.S. Hopperstad.
International Journal of Impact Engineering (1996)

412 Citations

Ballistic penetration of steel plates

T. Børvik;M. Langseth;O.S. Hopperstad;K.A. Malo.
International Journal of Impact Engineering (1999)

404 Citations

Flow and fracture characteristics of aluminium alloy AA5083–H116 as function of strain rate, temperature and triaxiality

Arild H. Clausen;Tore Børvik;Tore Børvik;Odd S. Hopperstad;Ahmed Benallal.
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing (2004)

359 Citations

Perforation of 12 mm thick steel plates by 20 mm diameter projectiles with flat, hemispherical and conical noses: Part I: Experimental study

T Børvik;M Langseth;O.S Hopperstad;K.A Malo.
International Journal of Impact Engineering (2002)

338 Citations

Perforation of 12 mm thick steel plates by 20 mm diameter projectiles with flat, hemispherical and conical noses: Part II: numerical simulations

T. Børvik;O.S. Hopperstad;T. Berstad;M. Langseth.
International Journal of Impact Engineering (2002)

296 Citations

Axial crushing of thin-walled high-strength steel sections

V. Tarigopula;M. Langseth;O.S. Hopperstad;A.H. Clausen.
International Journal of Impact Engineering (2006)

254 Citations

Crashworthiness of aluminium extrusions: validation of numerical simulation, effect of mass ratio and impact velocity

M. Langseth;O.S. Hopperstad;T. Berstad.
International Journal of Impact Engineering (1999)

246 Citations

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