UDC 519.85 5 Научно-технический раздел 5 packing 4 УДК 539.3 4 упаковка 4 UDC 681.3 3 УДК 519.85 3 УДК 681.3 3 математична модель 3 517.97 2 Lame's equation 2 UDC 519 2 adaptive peace-wise selection of nodes 2 allowable distances 2 continuous rotations 2 cylindrical cavities in space 2 efficiency index 2 finite element method 2 flange connection 2 generalized Fourier method 2 homothetic polytopes 2 mathematical model 2 non-differentiable function 2 non-linear optimization 2 non-overlapping 2 ontology 2 optimization 2 phi-functions 2 piecewise linear approximation 2 polytopes 2