Radek Kottner
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View article: GRP TANK LOADING INVESTIGATION USING CFS AND DFOS SENSORS
GRP TANK LOADING INVESTIGATION USING CFS AND DFOS SENSORS Open
Surface water management is one of the main topics nowadays. The Glass Reinforced Plastic (GRP) surface water treatment tank is one of the important parts of the system chain solution. GRP tanks are placed below the surface, and during the…
View article: Drop test measurements of LLDPE foil
Drop test measurements of LLDPE foil Open
The drop tests were executed using a special tower at 2 height levels, where a rigid sphere of the diameter of 15 cm and the mass of 10.72 kg impacted a material target plane of 65 x 40 cm. The drop heights are 1 m and 1.5 m providing the …
View article: Identification of the LLDPE Constitutive Material Model for Energy Absorption in Impact Applications
Identification of the LLDPE Constitutive Material Model for Energy Absorption in Impact Applications Open
Current industrial trends bring new challenges in energy absorbing systems. Polymer materials as the traditional packaging materials seem to be promising due to their low weight, structure, and production price. Based on the review, the li…
View article: Drop test measurements of LLDPE foil
Drop test measurements of LLDPE foil Open
The drop tests were executed using a special tower at 2 height levels, where a rigid sphere of the diameter of 15 cm and the mass of 10.72 kg impacted a material target plane of 65 x 40 cm. The drop heights are 1 m and 1.5 m providing the …
View article: Identification of LLDPE Constitutive Material Model for Energy Absorption in Impact Applications
Identification of LLDPE Constitutive Material Model for Energy Absorption in Impact Applications Open
Current industrial trends bring new challenges in energy absorbing systems. Polymer materials as the traditional packaging material seem to be promising due to their low weight, structure and production price. Based on the review, the line…
View article: Identification of mechanical properties of KORDCARBON-CPREG-200-T-3K-EP1-42-A composite
Identification of mechanical properties of KORDCARBON-CPREG-200-T-3K-EP1-42-A composite Open
This work is focused on the identification of mechanical properties of a composite from tension, compression and bending tests according to ASTM standards. Selected stiffness and strength parameters were identified. The composite, which wa…
View article: COMPOSITE-TO-METAL TUBULAR LAP JOINT UNDER TORSIONAL LOADING
COMPOSITE-TO-METAL TUBULAR LAP JOINT UNDER TORSIONAL LOADING Open
During the damage evolution of bonded joints, different modes of failure can be detected.These modes include pure modes (Mode I, Mode II, Mode III) or their combinations (Mixed-mode) according to the type and the direction of loading.Some …
View article: Experimental Investigation of Foams Suitable for Motorcycle Protectors
Experimental Investigation of Foams Suitable for Motorcycle Protectors Open
Protectors of motorcycle riders should be light and safe. This work deals with the impact test of the shoulder protectors, which differ with the use of foams of different densities. The acceleration and displacement of an impactor having t…
View article: Identification of material properties of foam used in motorcyclist protective equipment based on obtained experimental data and optimization algorithm
Identification of material properties of foam used in motorcyclist protective equipment based on obtained experimental data and optimization algorithm Open
This article deals with the material parameters identification of foam used in motorcyclist protective equipment, such as a shoulder pad. Experiments, namely a compression, a tension and an impact test were performed to obtain source and t…
View article: Material property determination of the lining layers of a versatile helmet
Material property determination of the lining layers of a versatile helmet Open
This paper deals with material property identification of a helmet lining consisting of an outer layer of an expanded polystyrene (EPS) and inner layer of an open-closed cell foam (OCCF). A combined numerical simulation and experimental te…
View article: Leather for motorcyclist garments: Multi-test based material model fitting in terms of Ogden parameters
Leather for motorcyclist garments: Multi-test based material model fitting in terms of Ogden parameters Open
This paper is focused on experimental testing and modeling of genuine leather used for a motorcycle personal\nprotective equipment. Simulations of powered two wheelers (PTW) accidents are usually performed using human\nbody models (HBM) fo…
View article: Investigation of the mechanical properties of a cork/rubber composite
Investigation of the mechanical properties of a cork/rubber composite Open
This work was focused on the investigation of the mechanical properties of the ACM87 composite when subjected to a large strain.Simple tension, simple shear, simple compression, and volumetric compression tests were performed using a unive…
View article: Design of Flexible Composite Bellows Coupling
Design of Flexible Composite Bellows Coupling Open
This paper deals with the design of a bellows coupling from composite material.This type of clutch-shaped bellows can be used as an alternative to a conventional universal joint.A numerical strength and stiffness analysis were performed.Th…
View article: Load-capacity prediction for the carbon-or glass-fibre-reinforced plastic part of a wrapped pin joint
Load-capacity prediction for the carbon-or glass-fibre-reinforced plastic part of a wrapped pin joint Open
A joint using a metal pin is one possibility of how to achieve a removable joint of composites.The load capacity of a wrapped pin joint depends on many parameters, especially on the types of fibres and resin, and geometric properties of th…