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Materials and methods Organism and culture conditions.
Acknowledgment This work is financially supported by the Daqing Bureau of Science and Technology (sjh-2012-60).
World Journal of Microbiology and Biotechnology, 22: 1197-1204 [9] Erkurt EA, Ünyayar A, Kumbur H, 2007.
Production of lignin modifying enzymes on industrial waste material by solid-state cultivation of fungi.
Journal of Molecular Catalysis B: Enzymatic, 4: 13-23

Numerical and Experimental Study on the Application of Mode Shape Curvature for Damage Detection in Plate-Like Structures Sandris RUCEVSKIS a *, Pavel AKISHIN b and Andris CHATE c Institute of Materials and Structures, Riga Technical University, Kalku str. 1, LV-1658 Riga, Latvia a sandris.rucevskis@rtu.lv, b pavels.akisins@rtu.lv, cand_cate@latnet.lv Keywords: damage detection, modal analysis, plate, mode shape curvature, structural health monitoring.
The properties of the elastic material are taken as follows: Young’s modulus E = 69 GPa, Poisson’s ratio v = 0.31, mass density ρ = 2708 kg/m3.
Samman, Damage detection from changes in curvature mode shapes, Journal of Sound and Vibration 145(2) (1991) 321–332
Wesolowski, Identification of damage in a beam structure by using mode shape curvature squares, The Shock and Vibration Journal 17(4–5) (2010) 601–610
Chate, Damage detection in laminated composite beam by using vibration data, Journal of Vibroengineering 11(3) (2009) 363–373

Conclusions The method of solving the stress intensity factor of I type crack was first introduced in the paper, and then uses ABAQUS finite element analysis software to simulate type I crack of single side penetrating A7N01 aluminum alloy base material.
References [1] Weiyuan Ni, Shanglei Yang, Jin Jia, et al: Rare Metal Materials and Engineering Vol. 11 (2016), p. 2774 [2] Liansheng Wu: Physicochemical Examination: Physics Division Vol. 5 (1995) , p. 50 [3] Tianyou Fan: Chinese Science: Mathematics Vol. 9 (1987), p. 59 [4] Yan Xu: Journal of Applied Mechanics Vol. 72 (2005), p. 330 [5] Zhifu Du, Yongbo Shao, Weidong Hu: Mechanical Strength Vol. 30 (2008), p. 259 [6] Wei Yang, Ning Zhang, Liang Xu: Journal of Shenyang University of Aeronautics and Astronautics Vol. 31 (2014), p. 19 [7] Bo Zhou, Shifeng Xue: Mechanics and Practice Vol. 39 (2017), p. 371 [8] YuanPeng Liu, Dinghua Zhang, YuanKun Gui, et al: Journal of Computer-Aided Design and Graphics Vol. 16 (2004), p. 1382

This layer was greatly influenced by surface dynamics, influence of compacting, drying by heating which resulting a large value of material resistivity, while the influence of water at infiltration area, will result in low resistivity values of soil materials.
International Journal of Applied Physics and Mathematics, Vol. 2, No. 2. (2012) [2] Telford, W.
Journal of Applied Geophysics University of Kentucky, USA. (2018) [4] Lantu, D.A.
International Journal of Geosciences, Cameroon. (2012) [6] Lundström, K., Larsson, R., & Dahlin, T.
Earth Sciences Department King Fahd Univesity of Petroleum & Minerals.

Definite the material of the main variable cross-section of prestressed continuous curved box-girder bridge beams as the C40 concrete, elastic modulus E = 3.25 * 104MPa.
According to materials and design section provided in Midas/Civil database, and due consideration to the upper section of the eccentric, the establishment of variable cross-section of different radii of curvature continuous prestressed curved box-girder bridge superstructure model.
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Carlson, Investigating the magnetorheological effect at high flow velocities, Smart Materials and Structures, Vol. 15 (2006), pp. 75-85
Norris, Experimental analysis of magnetorheological dampers when subjected to impact and shock loading, Communications in Nonlinear Science and Numerical Simulation, Vol.13 (2008), pp. 1978-1985
Namuduri, Impact performance of magnetorheological fluids, Journal of Intelligent Material Systems and Structures, Vol. 20 (2009), pp. 723-728
Moroka et al., Effect of a uniform magnetic field on magnetorheological fluid under an impact load, International Journal of Applied Electromagnetics and Mechanics, Vol. 39 (2012), pp. 569-573
Isnikurniawan et al., Effect of chamfered orifice inlet on magnetorheological fluid subjected to shock loading, International Journal of Applied Electromagnetics and Mechanics, Vol. 45 (2014), pp. 683-688.

The following analysis is based on U-tube pipe with the material of uniform isotropic continuous line elastic, not consider plastic deformation, only a small displacement and small deformation.
Science Press, 1995: 87-92
Journal of Harbin Engineering University. 2002, 23(3):28-32
Journal of Jiamusi University. 2005, 23 (1):81-84. [7] Fu Jiyang.
Journal of system simulation.1999,11(3):167-171. [13] Qian Songwen, Wu Jiasheng, Ceng Wenming.

Mathematical Model In the lightly-damped structure, damping arises from hysteresis losses in the materials and relative motion at the interfaces and boundaries between parts named proportional damping. [9,10].
The material of the plate is spring steel, modulus of elasticity E=1.8 1011 N m-2, Poisson’s ratio = 0.3, mass density = 7995 kgm-3.
Vol.31 (1973), p.257 [5] Demir C, Izmirli SB: International Journal of the Physical Sciences Vol. 6(8) (2011), p.1920 [6] Khot SM, Yelev NP: Journal of Vibration and Control Vol. 17(6) (2010), p. 953 [7] SM Khot et al: Journal of Vibration and Control , DOI: 10.1177/1077546311406307(2011) [8] Hatch MR: Vibration Simulation Using Matlab and ANSYS (Chapman & Hall, USA 2001)

Fig. 1 (a) Planar milling model Fig. 1 (b) Cavity milling model Fig. 1 (c) Profile milling model The generation of CL files based on Pro/Toolmaker Setting processing parameters and generating cutter location trajectory based on Pro/Toolmaker Import STL model to Pro/Toolmaker software, establish boundary box, set the blank material and machining allowance, choose proper cutter for rough milling,rough machining for excess material, and finish machining to generate cutter location trajectory.
Fig. 7(a) planar milling simulation result Fig. 7(b) cavity milling simulation result Fig. 7(c) profile milling simulation result Select cavity milling model as a representative, adopt ABS resin as material, and import the NC code into Fagor three axis CNC milling machine to machining.
Journal of Engineering Graphics, 2002,1:8-14
RESEARCH ON THE ALGORITHM OF NC TOOL PATH CALCULATION FOR TRIANGULAR SURFACE MACHINING [J].Chinese Journal of Mechanical Engineering, 2002, 38(10):50-53
Journal of Chang'an University (Natural Science Edition), 2006, 1:104-107

Introduction Embroidery is the art or handicraft of decorating fabric or other materials with needle and thread or yarn.
Beijing: Chinese Social Sciences Press, 2004, 5, p.165.
Journal of Textile Research, 2006, 27(5), pp. 101-103.
Clothing and Textiles Research Journal, 1999, 17(4), pp. 176-190
Journal of Popular Culture. 1993, 27(3), pp. 13-24.