Refine
Year of publication
- 2012 (72) (remove)
Institute
- Fachbereich Medizintechnik und Technomathematik (72) (remove)
Document Type
- Article (41)
- Conference Proceeding (19)
- Book (4)
- Doctoral Thesis (3)
- Part of a Book (2)
- Habilitation (1)
- Patent (1)
- Report (1)
Keywords
- (Bio)degradation (1)
- Acceleration (1)
- Afterload (1)
- Anastomotic leakage (1)
- Aufschlagversuch (1)
- Autolysis (1)
- Bio-Sensors (1)
- Biosensor (1)
- Calorimetric gas sensor (1)
- Cell permeability (1)
- CellDrum (1)
- Cellular force (1)
- Chemical imaging sensor (1)
- Circular Dichroism (1)
- Cloud Computing (1)
- Cloud Service Broker (1)
- Compliance (1)
- Contractile tension (1)
- Contractility (1)
- C–V method (1)
- Decomposition (1)
- Elemental (1)
- End-to-end colorectal anastomosis (1)
- Endothelial cells (1)
- Esophageal Doppler monitor (1)
- Field-effect sensor (1)
- Finite element modelling (1)
- Force (1)
- Freeze–thaw process (1)
- Fußball (1)
- Grid Computing (1)
- Hydrogen peroxide (1)
- Impedance spectroscopy (1)
- Kinetic energy (1)
- LAPS (1)
- Light-addressable potentiometric sensor (1)
- Lipopolysaccharide (1)
- Liver (1)
- NONOate (1)
- Nano Materials (1)
- Nanomaterial (1)
- Nanotechnologie (1)
- Nitric Oxide (1)
- Nitric Oxide Donor (1)
- Numerical linear algebra (1)
- Organic light-emitting diode display (1)
- Poly(d,l-lacticacid) (1)
- Polyimide (1)
- Real-time monitoring (1)
- Recombinant activated protein C (1)
- ScaLAPACK (1)
- Schienbeinschoner (1)
- Spleen (1)
- Sterilisation process (1)
- Surgical staplers (1)
- Variable height stapler design (1)
- Velocity (1)
- Volume status (1)
- Workflow (1)
- Workflow Orchestration (1)
- eigensolvers (1)
- performance analysis (1)
Upper and lower bound theorems of limit analyses have been presented in part I of the paper. Part II starts with the finite element discretization of these theorems and demonstrates how both can be combined in a primal–dual optimization problem. This recently proposed numerical method is used to guide the development of a new class of closed-form limit loads for circumferential defects, which show that only large defects contribute to plastic collapse with a rapid loss of strength with increasing crack sizes. The formulae are compared with primal–dual FEM limit analyses and with burst tests. Even closer predictions are obtained with iterative limit load solutions for the von Mises yield function and for the Tresca yield function. Pressure loading of the faces of interior cracks in thick pipes reduces the collapse load of circumferential defects more than for axial flaws. Axial defects have been treated in part I of the paper.