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 …
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 …
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 …
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 …
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 …
opportunity for detailed studies on dust generation: quantity, morphology, location, etc. The …
Spinal cord stimulation restores locomotion in animal models of Parkinson's disease
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 …
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 …
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 …
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
… 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 …
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 …
components and edge-plasma conditions is a key area of present-day fusion research and …