User profiles for P. Petersson

Per Petersson

- Verified email at kth.se - Cited by 2844

Per Petersson

- Verified email at med.lu.se - Cited by 1745

Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements

A Hillerborg, M Modéer, PE Petersson - Cement and concrete research, 1976 - Elsevier
A method is presented in which fracture mechanics is introduced into finite element analysis
by means of a model where stresses are assumed to act across a crack as long as it is …

[PDF][PDF] Crack growth and development of fracture zones in plain concrete and similar materials

PE Petersson - 1981 - portal.research.lu.se
… where w(i) is the width of the crack at node i, p(j) is the closing force acting at node j, F is
the load applied to the structure, K(i,j) is the widening of the crack at node i of the structure …

Ion beam analysis of fusion plasma-facing materials and components: facilities and research challenges

…, M Li, S Markelj, M Mudrinic, P Petersson… - Nuclear …, 2019 - iopscience.iop.org
… The p 0 and p 1 peaks from the 9 Be( 3 He,p x ) 11 B reaction are reproduced accurately in
the simulation, but the remaining 9 lower-energy peaks cannot be simulated due to missing …

An overview of the comprehensive First Mirror Test in JET with ITER-like wall

D Ivanova, M Rubel, A Widdowson, P Petersson… - Physica …, 2014 - iopscience.iop.org
… He(d,p) 4 He, 3 He( 12 C,p) 14 N and 3 He( 9 Be,p) 11 B. In the case of mixed Be–C layers,
quantification of both elements from the same NRA spectra is complicated by the fact that the …

Dust generation in tokamaks: Overview of beryllium and tungsten dust characterisation in JET with the ITER-like wall

…, E Fortuna-Zalesna, S Moon, P Petersson… - Fusion engineering and …, 2018 - Elsevier
Operation of the JET tokamak with beryllium and tungsten ITER-like wall provides unique
opportunity for detailed studies on dust generation: quantity, morphology, location, etc. The …

Spinal cord stimulation restores locomotion in animal models of Parkinson's disease

R Fuentes, P Petersson, WB Siesser, MG Caron… - Science, 2009 - science.org
Dopamine replacement therapy is useful for treating motor symptoms in the early phase of
Parkinson's disease, but it is less effective in the long term. Electrical deep-brain stimulation is …

Fracture energy of concrete: Practical performance and experimental results

PE Petersson - Cement and Concrete research, 1980 - Elsevier
The practical performance of G c -tests is analyzed. The conditions of stability for a three-point
bend test on a notched beam are calculated by using the fictitious crack model. The results …

Spontaneous muscle twitches during sleep guide spinal self-organization

P Petersson, A Waldenström, C Fåhraeus… - Nature, 2003 - nature.com
… b, NWR error rate before and after aberrant, normal or uncorrelated stimulation; results
are means + sem The NWR error rate was significantly increased (**P < 0.01) in rats given …

Levodopa-induced dyskinesia is strongly associated with resonant cortical oscillations

…, M Mohammed, MA Cenci, P Petersson - Journal of …, 2012 - Soc Neuroscience
… The correlation between different parameters was calculated using the Pearson correlation
coefficient r and related p-value. A p-value <0.05 was considered statistically significant. All …

Plasma–wall interaction studies within the EUROfusion consortium: progress on plasma-facing components development and qualification

…, M Passoni, B Pegourie, P Pelicon, P Petersson… - Nuclear …, 2017 - iopscience.iop.org
The provision of a particle and power exhaust solution which is compatible with first-wall
components and edge-plasma conditions is a key area of present-day fusion research and …