Effect of fall characteristics on the severity of hip impact during a fall on the ground from standing height
Sign Up to like & getrecommendations! Published in 2020 at "Osteoporosis International"
DOI: 10.1007/s00198-020-05432-x
Abstract: Summary The magnitude of hip impact force during a fall on the ground (i.e., concrete surface) from standing height was determined. We found that this force decreases up to 59%, depending on how they land… read more here.
Keywords: ground; impact; impact force; hip impact ... See more keywords
Numerical analysis of effect of baffle configuration on impact force exerted from rock avalanches
Sign Up to like & getrecommendations! Published in 2018 at "Landslides"
DOI: 10.1007/s10346-018-0979-z
Abstract: In mountainous areas, channelized rock avalanches swarm downslope leading to large impact forces on building structures in residential areas. Arrays of rock avalanche baffles are usually installed in front of rigid barriers to attenuate the… read more here.
Keywords: baffle; rock avalanches; rock; impact force ... See more keywords
Experimental study on impact force due to collision of rockfall and sliding soil mass caused by seismic slope failure
Sign Up to like & getrecommendations! Published in 2020 at "Landslides"
DOI: 10.1007/s10346-020-01461-z
Abstract: A series of the experiments was conducted to understand the effect of weight, size, shape, stiffness, material of collision object, and type of movement of collision object on mobilization characteristics of impact force. Results from… read more here.
Keywords: slope; rockfall; impact force; collision ... See more keywords
Analytical and numerical studies on impact force profile of RC beam under drop weight impact
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Impact Engineering"
DOI: 10.1016/j.ijimpeng.2020.103743
Abstract: Abstract Impact force and structural response of reinforced concrete (RC) beams under drop weight impact have been intensively studied and reported in the literature. The prediction of the peak impact force has been well investigated… read more here.
Keywords: impact; drop weight; weight impact; impact force ... See more keywords
A non-negative Bayesian learning method for impact force reconstruction
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.06.013
Abstract: Abstract Detecting and identifying impact events, which may cause severe damages, is important in assessment of the integrity of many engineering structures. This paper presents a new approach for reconstructing the impact forces applied on… read more here.
Keywords: impact force; impact; non negative; force reconstruction ... See more keywords
Impact force identification via sparse regularization with generalized minimax-concave penalty
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115530
Abstract: Abstract As a typical inverse problem, impact force identification tends to be a challenge owing to its ill-posedness. Recently, the sparse characteristic of the impact force in time domain are taken into consideration to convert… read more here.
Keywords: regularization; force identification; impact force;
An enhanced sparse regularization method for impact force identification
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2019.02.039
Abstract: Abstract The standard sparse regularization method based on l1-norm minimization for impact force identification has already proved to be an interesting alternative to the classical regularization method based on l2-norm minimization. However, choosing the l1-norm… read more here.
Keywords: regularization; impact force; regularization method; sparse regularization ... See more keywords
Impact force reduction by consecutive water entry of spheres
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.1165
Abstract: Abstract Free-falling objects impacting onto water pools experience a very high initial impact force, greatest at the moment when breaking through the free surface. Many have intuitively wondered whether throwing another object in front of… read more here.
Keywords: reduction; water; impact force; force ... See more keywords
The effect of warm-up on peak impact force of the rear hand strike in full-contact combat sports.
Sign Up to like & getrecommendations! Published in 2022 at "Sports biomechanics"
DOI: 10.1080/14763141.2022.2088400
Abstract: Warming up is a generally accepted practice that leads to improved performance and reduces the risk of injury in a wide range of sports. However, the evidence about the influence of warm-up in combat sports… read more here.
Keywords: force; combat sports; strike; impact force ... See more keywords
Shock absorber lateral and impact force measurement using a column-type sensor
Sign Up to like & getrecommendations! Published in 2022 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ac62a9
Abstract: A novel method for the lateral and impact force measurement of shock absorbers using a three-component column-type sensor is proposed in this study. The strain gauge configuration and the bridge connection were designed, and the… read more here.
Keywords: shock; impact force; lateral impact; sensor ... See more keywords
Pre-Landing Control for a Legged Robot Based on Tiptoe Proximity Sensor Feedback
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3153127
Abstract: The moment a legged robot touches the ground, the tip of its toe can experience a significant impact force. It is preferable to keep the landing impact force small because it causes imbalance and damage… read more here.
Keywords: impact force; sensor; proximity; feedback ... See more keywords