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As one of the earliest methods with FEM, its main application is to simulate hard materials such as rock.
ACKNOWLEDGEMENTS The Project Supported by National Natural Science Foundation of China: Research on Working Mechanism and Optimization Design for the Self-Excited Vibration Subsoiler (51175354).
Journal of terramechanics. 1977, 14(3):103-125
Journal of Terramechanics. 2003, 40(10): 51-62
Journal of Huazhong Agricultural University. 2009, 28(2): 248-252

Introduction Composite materials have been widely used in aircraft structure design, and some structural components were made of all-composite in several advanced type.
Metal material is commonly applied in the cage construction of wing, and composite material is a better choice for skin of the wing for higher specific strength and stiffness.
Acknowledgements This work is supported by National Natural Science Foundation of China (11002113, 11172236), NPU Foundation for Fundamental Research (JC20120229).
Journal of Composite Materials[J], 31:2330 [2] Jacob L.
Bilevel Optimization of Blended Composite Wing Panels, Journal of aircraft [J], 2011, 48(1)

First, the material model must represent the complex material behavior under high strain and strain rate.
The cutter/chip material separation model is the second aspect of the modeling difficulties.
[2] Rostami J, Study of pressure distribution within the crushed zone in the contact area between rock and disc cutters,” International Journal of Rock Mechanics and Mining Sciences, vol.57,pp.172-186,2013
[3] Bruland, A., “Hard rock tunnel boring,” Doctoral Thesis, Norwegian University of Science and Technology, Trondheim, Norway, 1998
[6] Chiaia B, “Fracture mechanisms induced in a brittle material by a hard cutting indenter,” International Journal of Solids and structures, vol.38, pp. 7747-7768, 2001

Technological effort was concentrated to the production of materials with controlled physical properties, e.g., the functionally graded materials.
In this sense, multilayers can be understood as a particular case of functionally graded materials.
Functionally graded materials Cutting tools, in which the mechanical properties change continuously from the surface into the interior of the sample, are a good example of functionally graded materials.
on Functionally Graded Materials, Estes Park, Colorado, in: Ceramic Trans.
Rafaja: Materials Structure Vol. 7 (2000), p. 43 [10] V.

Single-grain grinding test plays an important part in studying the high speed grinding mechanism of materials.
Some single grain tests have been carried out for two decades to analyze the real process of the high speed grinding, but most of them were performed on ceramic materials[4-7].
Thus, the chips of titanium alloy material occurred with the adiabatic shearing and slipping behavior.
Acknowledgements The authors gratefully acknowledge the National Basic Research Program of China (No. 2009CB724403), National Natural Science Foundation of China (No. 51005116), NUAA Research Funding (No.
Xu: Journal of Materials Processing Technology Vol. 129 (2002), pp: 1180-122

It was because the contact time of material and catalyst reduced with the increase of flow rate, leading to the reaction time shorter, the reaction could not carry out very well.
Membrane Science and Technology.
Journal of Environmental sciences.
Journal of Filtration & Separation.
Membrane Science and Technology.

Experimental Materials Preparation PAN (MW: 150,000, CT) was purchased from Pfaltz & Bauer.
The fibrous materials are different from the conventional textile fabrics.
[2] Shu Zhanga, Woo Sub Shima, Jooyoun Kimb, “Design of ultra-fine nonwovens via electrospinning of Nylon 6: Spinning parameters and filtration efficiency”, Materials & Design, vol. 30, 9(2009) 3659-3666
PhD thesis,Department of Materials Science and Engineering, ” Knoxville: The University of Tennessee;( 2008) 167
Barhate, Seeram Ramakrishna, “Nanofibrous filtering media: Filtration problems and solutions from tiny materials, ” Journal of Membrane Science, vol. 296(2007) 1–8.

The active damping effect of the smart matrix composite made of epoxy resin with embedded fibers of TiNi SMA (Shape Memory Alloy), known as a functional material, has been studied in this research to examine if it is possible to apply the composite as a damping material.
These smart matrix composites are expected to be used as damping materials because the loss factors of the recent damping material in general are in the range between 0.01 and 1.
Therefore, the smart matrix composite is expected used as a damping material because the loss factors of the recent damping material in general are in the range between 0.01 and 1
Acknowledgements This work was supported by a Grant-in-Aid Science Research [40006169] of the Ministry of Education, Science and Culture of Japan, and a part of this work was also supported by the High-Tech Research Center of Saitama Institute of Technology.
Journal of Mater. and Pro.

The test results show that recycled concrete block masonry has better shear strength, so it can be used for wall material.
Through the research, it’s demonstrated that recycled concrete block masonry has good shear strength, can be used for wall material.
(3) Test results show that the recycled concrete hollow block can be used for wall materials.
Acknowledgements This work was financially supported by the National Technology Support Foundation of China (2008BAK48B05), The Key Project of Natural Science Basic Research Plan in Shanxi Province (2009JZ012).
Li: Journal of Qingdao Technical University. 30(4), 2009, p. 175-179 (in Chinese)

Reusing them in other materials has become a more feasible option.
Abdel-Hameed, Mechanical, Fracture, and Microstructural Investigations of Rubber Concrete, Journal of Materials in Civil Engineering. 20 (2008) 640–649. https://doi.org/10.1061/(ASCE)0899-1561(2008)20:10(640)
Hassan, Performance of Full-Scale Self-Consolidating Rubberized Concrete Beams in Flexure, ACI Materials Journal. (2016). https://doi.org/10.14359/51688640
Hassan, Impact Resistance and Mechanical Properties of Self-Consolidating Rubberized Concrete Reinforced with Steel Fibers, Journal of Materials in Civil Engineering. 29 (2017). https://doi.org/10.1061/(ASCE)MT.1943-5533.0001731
Guo, A review on the properties of concrete reinforced with recycled steel fiber from waste tires, REVIEWS ON ADVANCED MATERIALS SCIENCE. 61 (2022) 276–291. https://doi.org/10.1515/rams-2022-0029