Jan Špička
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View article: Impact of Personal Protective Equipment on the Quality of Chest Compressions in Prehospital Care: A Prospective Randomized Crossover Study
Impact of Personal Protective Equipment on the Quality of Chest Compressions in Prehospital Care: A Prospective Randomized Crossover Study Open
Introduction: The use of personal protective equipment (PPE) in prehospital emergency care has significantly increased since the onset of the coronavirus disease 2019 (COVID-19) pandemic. Several studies investigating the potential effects…
View article: Assessment of Nanobag as a New Safety System in the Frontal Sled Test
Assessment of Nanobag as a New Safety System in the Frontal Sled Test Open
Objective: The future mobility challenges lead to considering new safety systems to protect vehicle passengers in non-standard and complex seating configurations. The objective of this study is to assess the performance of a brand new safe…
View article: Numerical Simulation of Tram Collision with Pedestrian
Numerical Simulation of Tram Collision with Pedestrian Open
This paper is focused on the field of traffic passive safety. The main point of this research is to reduce the severity of the consequences of a collision between tramway and pedestrian. The collision scenario is based on statistical data …
View article: Assessment of Nanobag as a New Safety System in the Frontal Sled Test
Assessment of Nanobag as a New Safety System in the Frontal Sled Test Open
Objective: The future mobility challenges leads to considering new safety systems to protect vehicle passengers in non-standard and complex seating configurations. The objective of this study is to assess the performance of a brand new saf…
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: Utilization of the Validated Windshield Material Model in Simulation of Tram to Pedestrian Collision
Utilization of the Validated Windshield Material Model in Simulation of Tram to Pedestrian Collision Open
The rail industry has been significantly affected by the passive safety technology in the last few years. The tram front-end design must fulfill the new requirements for pedestrian passive safety performance in the near future. The require…
View article: Utilization of virtual human body model Virthuman in the mountaineering safety
Utilization of virtual human body model Virthuman in the mountaineering safety Open
project of University of West Bohemia SGS-2019-002: Computer modelling and monitoring of human body used for medicine
View article: Sensitivity analysis of the crack evaluation for steam turbine casings loaded by pressure and temperatures
Sensitivity analysis of the crack evaluation for steam turbine casings loaded by pressure and temperatures Open
The operation of steam turbines is related to the extreme conditions such as high pressure and temperature, which can\nlead to fatigue issues and subsequent undesirable problems. This paper is focused on the methodology for the fracture an…
View article: Numerical analysis of a pedestrian to car collision: Effect of variations in walk
Numerical analysis of a pedestrian to car collision: Effect of variations in walk Open
This work is focused on the modelling of car to pedestrian crash scenario. Virtual hybrid human body model
\nVIRTHUMAN as well as a simplified model of car chassis is modelled under Virtual Performance Solution
\nsoftware. The main idea of…
View article: IN-HOUSE MULTIBODY HUMAN MODEL BASED ON EULER PARAMETERS FOR THE FAST IMPACT SCENARIO CALCULATION
IN-HOUSE MULTIBODY HUMAN MODEL BASED ON EULER PARAMETERS FOR THE FAST IMPACT SCENARIO CALCULATION Open
Purpose of this paper is to build an in-house spatial model of a human body based on multibody approaches, that could be utilized in numerical simulations of various impact scenarios.The model currently contains 17 rigid bodies and 16 sphe…
View article: Frontal impact response of a virtual low percentile six years old human thorax developed by automatic down-scaling
Frontal impact response of a virtual low percentile six years old human thorax developed by automatic down-scaling Open
Traffic accidents cause one of the highest numbers of severe injuries in thewhole population spectrum. The numbers\nof deaths and seriously injured citizens prove that traffic accidents and their consequences are still a serious problem\nt…