Damage Simulation and Ultrasonic Detection of Asphalt Mixture under the Coupling Effects of Water-Temperature-Radiation by Yong-chun Cheng, Peng Zhang, Yu-bo Jiao, Ye-dan Wang, Jing-lin Tao

“…It can be concluded that the model derived from the support vector machine possesses higher accuracy and stability, which can more satisfactorily reflect the relationship between ultrasonic velocity and damage coefficient. Therefore, the damage degree of the asphalt mixture can be obtained.…”
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Research on Distribution Network Security Analysis Based on K(N-1+k) Criterion and Rank Preference Optimal Ordering by Wang Zengping, Yao Yuhai, Yu Junya, Yun Chentai

“…The rank preference optimal ordering (RPOO) was proposed to evaluate the damage degree of power system. The second kind does not meet the requirement of the K(N-1+k) criterion, and it is the weak link of distribution network. …”
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Research on blasting damage to tunnel surrounding rock based on acoustic full waveform signal analysis by Lijie Ge, Jiaxing Tao, Yan Zhao, Zhuang Zhang, Shuai Li, Ying Shi

“…Abstract In order to study the application of Acoustic Full Waveform Signal analysis in blasting damage to tunnel surrounding rock, a formula for blasting damage increment considering cumulative effects was proposed by analyzing the Acoustic Full Waveform Signal before and after blasting, based on the concepts of elastic waves and damage degree. This formula allows the cumulative damage law of surrounding rock blasting to be calculated and analyzed. …”
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Calculation of Blasting Damage Zone Radius of Different Charge Structures in Burnt Rock by Zhengzhao Jia, Hongjie Li, Wei Li, Jie Yan

“…The results show that the blasting failure zone of fractured rock mass with different charge structures was not only related to the radius of the blast hole and the explosive and rock properties, but also had a strong relationship with the initial damage degree of the rock mass. Taking an open-pit coal mine in Xinjiang as an example, the radius of the fracture zone with different charge structures was obtained by using the obtained calculation formula, and it was applied to the determination of row spacing and hole spacing.…”
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Research on Fatigue Performance of the Rib Beam Bridge Carriageway Slab Based on Cumulative Damage Theory by Binglin Chen, Tianlai Yu, Linlin Zhang, Yuxuan Wu, Yifan Wang

“…According to the fatigue damage model, the simulation analysis results show that the accumulated damage to the bridge carriageway was more serious with the increase in fatigue load level. The fatigue damage degree was lower when the design fatigue load level is not greater than 0.55.…”
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Seismic Damage Behavior of Aeolian Sand Concrete Columns with an Inner Square Steel Tube by Yaohong Wang, Zeping Zhang, Qing Han, Qi Chu, Xiaoyan Ma

“…In addition, the damage model proposed in this paper agrees well with the experimental results and can be used to evaluate the damage degree of the aeolian sand concrete columns with an inner square steel tube.…”
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Impact performance of RC piers protected by closed-cell aluminium foam (CAF) of different thicknesses by Jingdong Liu, Benying Wu, Xiwu Zhou, Bo Wang, Wenchao Zhang

“…The effect of CAFs with different thicknesses on the impact resistance of RC pier specimens was studied by analysing the impact force, displacement, reinforcement strain, other dynamic responses of RC pier specimens, and the damage degree of RC piers using an ultrahigh drop hammer impact test system. …”
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Experimental Study on Flexural Fatigue Properties of Reinforced Concrete Beams after Salt Freezing by Jianxi Yang, Tianmei Zhang, Quansheng Sun

“…The fatigue damage model of reinforced concrete specimens is established, the nonlinear fitting of the damage model is carried out according to the test data, the fitting correlation coefficient is more than 0.98, which indicates that the model can better reflect the damage degree of concrete, and the method of predicting the life of in-service concrete beam is put forward in combination with the concrete damage model.…”
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Evaluation of Single-Event Effect Current-Carrier Mapping Based on Experimental Data by Mengtian Bao, Ying Wang, Jianqun Yang, Xingji Li

“…Secondly, a carrier dynamic balance ratio based on current data is defined to evaluate the radiation damage degree of the device. TCAD is used to deeply study the relationship between the external current characteristics and the evolution process of internal physical quantities and the damage mechanism. …”
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Damage Identification Method of Beam Structure Based on Modal Curvature Utility Information Entropy by Chang-Sheng Xiang, Ling-Yun Li, Yu Zhou, Zi Yuan

“…The index proposed can identify the damage location and damage degree accurately and has certain noise immunity, which provides an effective damage identification indicator for beam structures.…”
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Wood Beam Damage Identification Based on the Curvature Mode and Wavelet Transform by Zhaobo Meng, Xiancai Ren, Shanqing Chai, Xin Wang, Tengfei Zhao, Feifei Gao, Shanwei Wang, Yufa Liu

“…Then, the damage location of the wood beam was judged according to the sudden peak of the wavelet coefficient difference index, and the damage degree of the wood beam was estimated by fitting the relationship between the wavelet coefficient difference index and the degree of damage. …”
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Study on Mesoscale Damage Evolution Characteristics of Irregular Sandstone Particles Based on Digital Images and Fractal Theory by Lujing Zheng, Lulin Zheng, Yujun Zuo, Hao Liu, Bin Chen, Zhonghu Wu, Wenjibin Sun, Yingle Wang

“…The results show that the fracture damage degree (ω) and fractal dimension (D) maximum values of the constrained particles are 0.733 and 1.466, respectively, and the unconstrained particles are 0.577 and 1.153, respectively. …”
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Research of IGBT failure energy transmission and energy shock by MA Yao, XU Libin, YU Wei, LIU Min´an, REN Yadong

“…Through the test verification, it was found that the shell damage degree assessment method was more effective, which can make the impact of short-circuit energy on the shell become a quantitative calculation problem, so as to guide the optimization of the shell structure, evaluate the strength of the shell material, and limit the secondary damage of the failure energy to other subsystems.…”
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Damage Evolution Characteristics of Rock Salt under Different Stress Conditions by Chunping Wang, Jianfeng Liu, Lu Wang

“…The laboratory tests show that the damage degree of rock salt under compression is the highest, followed by the damage in the direct tensile test. …”
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Numerical Simulation of Mechanically Harvested Blueberry Based on EDEM by BAO Yudong, YANG Jie, ZHAO Yanling, LIU Xianli, LIANG Zhao, GUO Yanling

“…The large number of fruit contact collision characteristics, based on EDEM simulation of blueberry mechanical harvesting process, the energy change after fruit contact collision in the harvesting process, the fruit damage degree was analyzed by energy change value, and the probability of fruit no damage was 79.33%. …”
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Failure Analysis of Locally Damaged Slender Steel Bars Strengthened with CFRP Composites: Experiments, Theory, and Computational Simulations by Bin Li, Hua Luo, Xianqiao Wang

“…Our theoretical analysis provides an upper bound for the critical force, which is sensitive not only to the damage degree but also to the damage location. Damage locating at the middle regime of the specimens will remarkably reduce stability of the steel bars, but an optimized combination of wrapping method and number of CFRP layers can restore and even enhance the stability of the damaged structures beyond the undamaged counterparts. …”
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Study of Mechanical Property of Rock under Uniaxial Cyclic Loading and Unloading by Hongjun Guo, Ming Ji, Yidong Zhang, Meng Zhang

“…The distribution of the hysteresis loop became denser with the cycles and moved toward the direction of strain increasing. (2) The area of the hysteresis loop indicated the inner damage degree of rock. And the hysteresis energy accumulated was stronger; the damage of rock was more serious. …”
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Impact Damage Analysis of Fiber Reinforced Plastic Structure with Rib by Xiong Linghua, Ming Zhimao, Zhao Kelun, Wang Fan

“…Taking glass fiber reinforced plastic (GFRP) oil sump as the object, the damage degree of structure under different impact angles, impact velocity, and impactor masses is compared and analyzed by material test, impact test, and simulation. …”
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Constitutive Damage Model of Dry-wet Cycles of Filled Jointed Rock Considering the Initial Compaction Stage by CHAI Shaobo, SONG Boyang, WEN Chengwu, SONG Lang, LIU Jinhao, SHI Lei, ZHAO Chuan

“…A method is provided for determining the parameters of the damage mechanics model, and the model is verified through parameter analysis and damage degree analysis using compression test data from filled jointed rock samples under dry-wet cycles. …”
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Deformation and energy damage characteristics of granite-concrete composite under uniaxial compression. by Qingwen Li, Shuhan Gu, Hanjing Li, Wenxia Li, Mengjiao Xu, Yiwei Liu

“…From the crack distribution, it was found that the root cause of crack initiation and propagation was affected by the crack inclination angle. The damage degree increased gradually with the increase of crack inclination angle. …”
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