1. Top-down nanofabrication approaches toward single-digit-nanometer scale structures

   • Dong Kyo Oh
   • Heonyeong Jeong
   • Junsuk Rho

   Invited Review Article 27 February 2021 Pages: 837 - 859

2. Early bolt looseness state identification via generalized variational mode decomposition and similarity index

   • Yanfei Guo
   • Zhousuo Zhang
   • Teng Gong

   Original Article 27 February 2021 Pages: 861 - 873

3. Parameter identification of the phenomenological model for magnetorheological fluid dampers using hierarchic enhanced particle swarm optimization

   • Jin Guo
   • Zhendong Li
   • Mengxuan Zhang

   Original Article 27 February 2021 Pages: 875 - 887

4. Analysis of the modal frequency of a functionally graded cylindrical shell

   • Chao Liu
   • Wenguang Liu

   Original Article 27 February 2021 Pages: 889 - 903

5. Enhancement of bearing fault detection using an alternative analytic energy operator and sparse Bayesian step-filtering

   • Yan Wang
   • Lichen Gu
   • Yuanbo Xu

   Original Article 27 February 2021 Pages: 905 - 920

6. Analysis of the repeatability of a deployable space tri-prism mast based on the Monte Carlo method

   • Mingxing Gao
   • Rongqiang Liu
   • Zongquan Deng

   Original Article 27 February 2021 Pages: 921 - 933

7. Sequential approximate optimization on projectile disturbances of the moving tank based on BP neural network

   • Yu Chen
   • Guolai Yang
   • Quanzhao Sun

   Original Article 27 February 2021 Pages: 935 - 944

8. Effect of the worn status of wheel/rail profiles on wheel wear over curved tracks

   • Jie Kou
   • Jimin Zhang
   • Lixia Sun

   Original Article 27 February 2021 Pages: 945 - 954

9. Experimental research on the dynamic buckling of a tubular string when hitting the bottom of a vertical well

   • Zifeng Li
   • Qiang Wei
   • Jie Zhang

   Original Article 27 February 2021 Pages: 955 - 961

10. Simulation of QPSK-based acoustic telemetry through drillstring

    • Younggy Shin

    Original Article 27 February 2021 Pages: 963 - 971

11. Efficient topography optimization of a washing machine cabinet to reduce radiated noise during the dehydration process

    • Hyun-Guk Kim
    • Toan Mihn Nguyen
    • Semyung Wang

    Original Article 27 February 2021 Pages: 973 - 978

12. Measurement of local strain: machine vision and finite element method

    • Seyyed Ehsan Eftekhari Shahri
    • Mohammad Lakhi
    • Sadegh Ranjbar

    Original Article 28 February 2021 Pages: 979 - 985

13. Development of a Gaussian process modeling application for the prediction of missile aerodynamic coefficients

    • Seungmin Lee
    • Shinseong Kang
    • Kyunghoon Lee

    Original Article 27 February 2021 Pages: 987 - 997

14. Analysis of fretting cracking condition for nub of steam turbine blade

    • Kihyeon Kim
    • Sung-San Cho
    • Dong Hyeon Hwang

    Original Article 27 February 2021 Pages: 999 - 1005

15. Scale parameter assessment based on pivot quantity for reliability analysis of a complex system

    • Dongwei Gu
    • Jinhan Gao
    • Zhen Xu

    Original Article 27 February 2021 Pages: 1007 - 1015

16. Enhancement of Drucker-Prager yield model by adding corner points for pressure-dependent materials

    • Kwangmin Lee
    • Karuppasamy Pandian Marimuthu
    • Hyungyil Lee

    Original Article 27 February 2021 Pages: 1017 - 1027

17. Prediction of creep deformation behavior of KHR45A heater tube steel using nonlinear mixed-effect model

    • Gimo Yang
    • Young Wha Ma
    • Kee Bong Yoon

    Original Article 27 February 2021 Pages: 1029 - 1036

18. Numerical study on failure behavior of open-hole composite laminates based on LaRC criterion and extended finite element method

    • Decheng Liu
    • Dongfeng Cao
    • Shuxin Li

    Original Article 27 February 2021 Pages: 1037 - 1047

19. Case study for contact pressure improvisation with graded implant material in articular cartilages of knee joint

    • Vaishakh Raju
    • Poornesh K. Koorata
    • Yogeesh Kamat

    Original Article 27 February 2021 Pages: 1049 - 1054

20. Spiral ring cavity to improve the stability of a centrifugal compressor

    • Min-Su Roh
    • Sang-Bum Ma
    • Kwang-Yong Kim

    Original Article 27 February 2021 Pages: 1055 - 1063

21. A study on the flow characteristics of butterfly valve with baffles

    • Seung-Jun Oh
    • Jeong-Hwan Yoon
    • Si-Pom Kim

    Original Article 27 February 2021 Pages: 1065 - 1073

22. A multi-objective airfoil shape optimization study using mesh morphing and response surface method

    • Hariharan Kallath
    • Jun Seok Lee
    • June Kee Min

    Original Article 27 February 2021 Pages: 1075 - 1086

23. Performance of corrugated actuator-tabs of aspect ratio 2.0 on supersonic jet mixing enhancement

    • Tamal Jana
    • Mrinal Kaushik

    Original Article 27 February 2021 Pages: 1087 - 1097

24. Nonlinear bending analysis of magnetoelectroelastic rectangular plates using higher order shear deformation theory

    • Yu-fang Zheng
    • Liang-liang Xu
    • Chang-ping Chen

    Original Article 27 February 2021 Pages: 1099 - 1108

25. Optimal location of brake pad for reduction of temperature deviation on brake disc during high-energy braking

    • Heerok Hong
    • Gyeongpil Kim
    • Junghwan Lee

    Original Article 27 February 2021 Pages: 1109 - 1120

26. Experimental study on mechanical and tribology behaviors of Mg-SiC nano/micro composite produced by friction stir process

    • A. Sadooghi
    • K. Rahmani

    Original Article 27 February 2021 Pages: 1121 - 1127

27. Numerical study of mechanical behaviour of tubular structures under dynamic compression

    • Amir Partovi
    • M. M. Shahzamanian
    • P. D. Wu

    Original Article 27 February 2021 Pages: 1129 - 1142

28. Structure integrity evaluation of gas protective wall for new construction method using strength test and numerical analysis

    • Doo Guen Song
    • Seung Ho Jung
    • Eui Soo Kim

    Original Article 27 February 2021 Pages: 1143 - 1151

29. Design of end coil angular position and centerline shape of C-type side load coil spring for reducing side load of MacPherson strut suspension

    • Seunghyeon Cho
    • Hankun Yeon
    • Chang-Wan Kim

    Original Article 27 February 2021 Pages: 1153 - 1160

30. Binary NCP: a new approach for solving nonlinear complementarity problems

    • Byung Man Kwak
    • Joon Young Kwak

    Original Article 27 February 2021 Pages: 1161 - 1166

31. Assessment of InfiniteFocus system measurement errors in testing the accuracy of crown and tooth body model

    • Anna Bazan
    • Paweł Turek
    • Łukasz Przeszłowski

    Original Article 27 February 2021 Pages: 1167 - 1176

32. Structural analysis of woven-fabric composite considering changes in degrees of in-plane shear deformation during manufacturing process

    • Jeong-Min Lee
    • Ki-Hyeon Jeong
    • Dae-Cheol Ko

    Original Article 28 February 2021 Pages: 1177 - 1186

33. Surface formation and damage mechanisms of nano-ZrO₂ ceramics under axial ultrasonic-assisted grinding

    • Yanyan Yan
    • Yafei Zhang
    • Junli Liu

    Original Article 28 February 2021 Pages: 1187 - 1197

34. Full-phase optimization of PDC bit cutter layout to reduce lateral force based on zoning method

    • Tong Cao
    • Kaian Yu
    • Rui Zhang

    Original Article 27 February 2021 Pages: 1199 - 1207

35. Damaged and failure characterization of 7075-T6 Al alloy based on GISSMO model

    • Zhiqiang Zhang
    • Yuejie Cui
    • Ge Yu

    Original Article 27 February 2021 Pages: 1209 - 1214

36. Numerical analysis of the effect of tool wear on surface integrity during hard turning

    • Rupak Kumar Nayak
    • Gaurav Bartarya
    • Manas Ranjan Sahoo

    Original Article 27 February 2021 Pages: 1215 - 1222

37. Jumping motion planning for biped robot based on hip and knee joints coordination control

    • Yongming Bian
    • Jie Shao
    • Ao Liang

    Original Article 27 February 2021 Pages: 1223 - 1234

38. Hierarchical adaptive control of self-stabilizing electromechanical systems using artificial-immune self-tuning mechanism for state weighting-factors

    • Omer Saleem
    • Khalid Mahmood-ul-Hasan

    Original Article 27 February 2021 Pages: 1235 - 1250

39. Theoretical and experimental investigation of the pressure ratio distribution and the regulation strategy of a two-stage turbocharging system for various altitudes operation

    • Huiyan Zhang
    • Xuyang Tang
    • Kangyao Deng

    Original Article 28 February 2021 Pages: 1251 - 1265

40. Theoretical study on performance comparison of various solar collectors using binary nanofluids

    • Minjung Lee
    • Yunchan Shin
    • Honghyun Cho

    Original Article 27 February 2021 Pages: 1267 - 1278

41. Experimental study on the gas jet characteristics of a diesel-piloted direct-injection natural gas engine

    • Peng Jiang
    • Xu Liu
    • Zhixia He

    Original Article 27 February 2021 Pages: 1279 - 1288

42. Effect of engine control parameters on combustion and particle number emission characteristics from a SIDI engine fueled with gasoline-ethanol blends

    • Sungha Baek
    • Jaeho Cho
    • Simsoo Park

    Original Article 27 February 2021 Pages: 1289 - 1300

43. The fuzzy logic-based modeling of a micro-scale sloped solar chimney power plant

    • Muhammed Huseyin Guzel
    • Recep Emre Unal
    • Faruk Kose

    Original Article 27 February 2021 Pages: 1301 - 1308

44. Numerical analysis of the close-contact heat transfer of the electro-thermal drilling probes for glacier-ice exploration

    • Ui-Joon Park
    • Kwangu Kang
    • Seong Hyuk Lee

    Original Article 27 February 2021 Pages: 1309 - 1317

45. Cobalt ferrite decoration of molybdenum disulfide nanosheets; development of a nanocomposite-mediated hyperthermia method

    • Mohammadhossein Shahsavari Alavijeh
    • Adel Maghsoudpour
    • Shadie Hatamie

    Original Article 27 February 2021 Pages: 1319 - 1325

46. Retraction Note to “Application of hybrid recurrent Laguerre-orthogonal-polynomial NN control in V-belt continuously variable transmission system using modified particle swarm optimization”

    • Chih-Hong Lin

    Retraction Note 16 January 2021 Pages: 1327 - 1327