NDTnet - April 1999, Vol.4 No.4
CM NDT-98
20-23 October, 1998
Minsk, Belarus
DGZfP Homepage
Second International Conference on

Computer Methods and Inverse
Problems in Nondestructive
Testing and Diagnostics

Proceedings of the CM NDT-98, ISBN 3-931381-25-0, 597 Pages
Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V. DGZfP
Motardstraße 54 , 13629 Berlin, Germany
Telephone: + 49 (030) 386 /29 911, Fax:.. /29 918, Email: mail@dgzfp.de

Title Full-Text AuthorPage
 PLENARY SESSION I
A method for finding crack dimensions using eddy-current data J. Bowler, University of Surrey, Surrey (Great Britain) 1
 SIMULATION OF PHYSICAL PROCESSES FOR NDE (I)
Computation of the electromagnetic field created by an arbitrary current source in cylindrical conductors. Applications to eddy- current NDT R. Grimberg, E. Radu, A. Savin, L. Lancu 9
Calculation of electromagnetic field created by conductive plate with flaw using the method of fundamental function of laminated medium S. Zolotarev, V. Vengrinovich 17
The distribution of electromagnetic field above the Inclined crack and their parameters estimation V. Uchanin 27
 COMPUTERIZED DIAGNOSTICS (I)
Low-frequency vibro-acoustical method of forced oscillations N. Bouraou, L. Gelman 33
Diagnostics of fatigue of machinery products E. K. Pochtenny 41
Low-frequency vibro-acoustical free oscillations method for nondestructive testing and evaluation of fatigue cracks N. I. Bouraou, L. M. Gelman, 0. A. Bertman 51
 BASIC CONCEPTS OF RECONSTRUCTION AND RESTORATION IN NDE
3D reconstruction of faults in Industrial radiography A. Bonin, B. Lavayssiere, S. Gautier 57
Tomographic reconstruction from arbitrary directed projections I. Kazantsev, I. Lernahieu 63
Beam hardening correction in CT with simulated and real object data B. Illerhaus, J. Goebbels, 0. Haase, H. Riesemeier, A. V. Kulish, M. Sene, M. Bailey 67
Application of post reconstruction methods for beam hardening corrections with efficient segmentation S. Vollmar, U. Pietrzyk, W. Eschner 77
Image reconstruction from projections In the case of prior uncertainty V. M. Artemiev, A. 0. Naumov, G.-R. Tillack 85
 SIMULATION OF NDE IN MANUFACTURING PROCESS AND IN SERVICE (I)
Finite element analysis of REFEC technique for Inspection on of weld between two coaxial tubes V. P. Lunin, D. V. Podobedov, D. G. Alexeevsky, H.-M. Thomas 91
Instrumental identification of dynamic system parameters Ya. 0. Berestnev, N. N. ]shin 99
Statistical method for identification of morphology parameters of contact surfaces In tribosystems T. M. Moiseeva, 0. V.Kholodilov 107
 COMPUTERIZED DIAGNOSTICS (II)
A modular learning approach for defect classification In Ultrasonic NDT of materials L. M. Ghouti 115
Application of artificial neural networks for the analysis and Identification of objects' technical conditions with help of appropriate diagnosis signals U. A. Barat, D. A. Slesarev 117
Geometrical Diagnostics by seismic pertubation S. V. Shilko 121
Diagnostics for strength of fibre-epoxy composite material wares using computer modeling of fracture processes M. B. Mileshkin, I. V. Biblik 123
 SIMULATION OF PHYSICAL PROCESSES FOR NDE (II)
Dispersion of the electromagnetic field created by the eddy current transducers with orthogonal coils on material discontinuities. Theory and experiment. R. Grimberg, E. Radu, A. Savin, S. Chifan 131
The simulation of eddy current transducer with magnetodielectric core at the multilayer electroconductive object V. N. Uchanin, B. I. Kolodij, Ya. P. Kulynych 139
Mathematical modeling of dynamic magnetic film considering eddy currents N. N. Zatsepin 145
Some methods for mathematical treatment of magneto-static field caused by flaws in ferromagnetic products R. V. Zagidulin 153
 PLENARY SESSION 2
Numerical modeling of acoustic, elastic and piezoelectric wave propagation and scattering with AFIT, EFIT and PFIT R. Marklein, K. J. Langenberg 157
 BASIC CONCEPTS OF RECONSTRUCTION AND RESTORATION IN NDE (II)
Step-like reconstruction of lossless stratified dielectric media by using microwave reflectometry V. Mikhnev, A. Palto 173
Development of higheffective methods and micro-processor technique for radiowave NDT and diagnosis using Inverse problem solution 0. B . Liashchuk 177
Finite series expansion method modified for multi-step reconstruction from limited number of projections and views S. Zolotarev, V. Vengrinovich, G.-R. Tillack 185
Stable solutions of inverse problems using extrapolation method G. I. Makovetskii, Ch. K. Smolik 193
 INVERSE METHODS FOR FLAW DETECTION AND CHARACTERIZATION (I)
Tomography of sheet products V. Koshovy, D. Krivin, E. Krivin, I. Romanyshyn 201
Solution the heat conduction inverse problem to restore defect parameters of heat protective jacket of rotating kiln M. S. Sukhanov, V. G. Torgunakov 209
Inverse problem solution to determine probable reasons of welding defect origin I.S. Denisov, M.M. Dechko 215
 SIMULATION OF NDE TECHNOLOGY (I)
A fast solution of the forward problem In eddy current testing using a boundary element method 0. Michelsson, F.H. Uhlmann 219
Design of gradient coil configurations for electron paramagnetic resonance-imaging V. P. Lunin, U. Ewert 227
Revealing the ferromagnetic steel fatigue by incremental magnetic permeability measurements R. Grimberg, S. Leitoiu, E. Radu, A. Andreescu, M. I. Craus, A. Palihovici 235
Detection of discontinuities of cylindrical conductive products using the rotating magnetic field; probability of detection; reliability R. Grimberg, E. Radu, A. Savin, S. Chifan 243
 IMAGE AND SIGNAL PROCESSING (I)
Robust estimation of the polynomial regression parameters In radiographic Images I. B. lvasenko, R. M. Palenichka, U. Zscherpel 251
Structure-adaptive algorithm of radiographic image segmentation for crack-like defect detection A. Alexeychuk, R. Palenitchka, U. Zscherpel 259
 INVERSE METHODS FOR MATERIALS CHARACTERIZATION (I)
Viscoelastic parameter reconstruction by material response to impact loading V. A. Rudnitsky, S. V. Tsarik 267
Tomographic restoring of tensor stress field V. Koshovy, D. Krivin, E. Krivin, I. Romanyshyn 273
Tensor tomography in the case of weak birefringence A. Puro 279
Computer-aided measurements of macrostress tensor by X-ray methods A. Senczyk, K. Lis 281
 SIMULATION OF PHYSICAL PROCESSES FOR NDE (III)
To the question of frictional surface heat state B. I. Peleshenko, A. I. Burya, A. B. Bakha, 0. V. Kholodilov 283
Quantitative solution of waveguide microscopy problems I. E. V. Glasunov, A. I. Voitenkov, I. U. Primak, L. I. Sotskaya, A. B. Sotsky, A. V. Khomchenko 291
The mathematical model for primary measuring transducers in off-limit circular waveguides A. A. Zhukov, A. E. Mudrov, G. A. Redkin, V. Ya. Khasanov 297
Metrological support of NDT by acoustic emission method 0. Bukhalo, B. Klym, G. Mykytyn, E. Pochapskiy, E. Fedoriv 305
 SIMULATION OF PHYSICAL PROCESSES FOR NDE (IV)
Modeling of elastic waves transmission through Inhomogeneous austenitic plate Ya. V. Smorodinsky, A. B. Rinkevich 311
Calculation of magnetic field distortion caused by a defect In a conducting half-space A. Kuntsevich, V. Vengrinovich 313
Photodeflection spectroscopy - a method for NDE of laminated medias' thermo-elastic parameters G. Mityurich, P. Astakhov 321
Scattering effect In radiation techniques - theory and experiments V. M. Artemiev, J. N. Gray, G.-R. Tillack 323
 BASIC CONCEPTS OF RECONSTRUCTION AND RESTORATION IN NDE (III)
Ultrasonic testing of layered media and some Inverse problems A. Popov 331
Radial ultrasonic tomography of cracks In cylindrical objects A. V. Osetrov 335
Ultrasonic reflection tomography having lack of data E. Jasiuniene, L. Mazeika 343
Resolution Investigation In reconstructive acoustical tomography A. V. Osetrov 351
 SIMULATION OF NDE TECHNOLOGY (II)
Computer simulation of training experiments for estimation of engineering products reliability A. Karnaushenko, D. Stasyuk, D. Zorin, V. Alefirenko, S . Borovikov, A. Chekavy 359
Neural networks training algorithms and architecture selection for prediction J. Savitsky 363
Evaluation of crack parameters using neural network trained by modeling data V.P. Lunin, V.A. Barat 369
 SIMULATION OF NDE IN MANUFACTURING PROCESS AND IN SERVICE (II)
Automated system to provide the safe operation of pipelines V. I. Vyun, A. V. Romaniv, A. B. Verigo 377
Ultrasonic testing of layered timber unsolderingR. Grimberg, E. Radu, A. Lupu, L. Lancu385
Device for automated nondestructive testing of electrodes for arc welding V. K. Sheleg, I. S. Denisov, A. E. Kapustin, V. E. Zalogo 391
Prediction of welded joints quality on the basis of nondestructive radiographic inspection method In electrode fabrication L. S. Denisov, V. S. Poizikova, V. I. Komarova, A. I. Kornarov 393
 IMAGE AND SIGNAL PROCESSING (II)
Improved flaw imaging applying elastodynamic far-field Fourier inversion (EL-FT-SAFT) J. Kostka, K. J. Langenberg, K. Mayer, M. Krause 397
Application of wavelet transform to Improve quality of reconstruction from noisy data C. jacobsen, G.-R. Tillack, V. Vengrinovich, Yu. Denkevich 409
Automated processing of radiographic Inspection results V. K. Sheleg, L. S. Denisov, A. E. Kapustin, I. I. Bardusova, V. V. Kolosov 419
Fuzzy system processing of signals received by eddy-current testing with rotating magnetic field R. Grimberg, I. Lancu, A. Savin, S. Chifan 423
 INVERSE METHODS FOR MATERIALS CHARACTERIZATION (II)
Temperature dependence of the collisional broadening of laser lines of the CO, molecule K. I. Arshinov, N. S. Leshchenuk 429
Measurement of the reflectance function by the Doppler scanning acoustic microscope A. N. Bogatchenkov, R. G. Maev, S. A. Titov 433
X-ray computer diagnostic of powder metallic mixture homogenization A. Kalinkin, A. Pokoev, D. Stepanov 439
 IMAGE AND SIGNAL PROCESSING (III)
Automated radiometric weld Inspection In nuclear power Industry by tomosynthesis B. Redmer, U. Ewert, Y. Onel, J. Muller, H. Diener, M. Walkmann, V. A. Baranov 441
Image quality enhancement technique for X-ray testing R. Vorobel, I. Zhuravel, N. Opyr, B. Popov 449
Computer processing of results of metal structures thickness measuring A. Sheshukov, N. Mashkovtseva, D. Shabanov, G. Mashkovuev 457
Estimation of defect parameters by testing with low-frequency acoustic flaw detector AD - 64M Yu. V. Lange, V. F. Moujitski, S. V. Nefedov 459
 INVERSE METHODS FOR FLAW DETECTION AND CHARACTERIZATION (II)
Depth resolution Improvement In the microwave testing of lossy dielectric media G. N. Deshchenko 465
Reconstructing the shape of discontinuities In cylindrical products examined by eddy-current method using the maximization of the a posteriori Bayeslan probability R. Grimberg, E. Radu, A. Savin, S. Chifan 469
 SIMULATION OF PHYSICAL PROCESSES FOR NDE (V)
Three-dimensional f inite-element computer code applicable for modeling electromagnetic NDE problems V. P. Lunin, D. V. Podobedov 473
Modeling of Interaction of the two-element magnetic system with a ferromagnetic half-space S. G. Sandomirskii, S. A. Revyako 481
Simulations of eddy current distributions and crack detection algorithms for a SQUID based NDE system M. v. Kreutzbruck, M. Mück, C. Heiden 489
Automatic control of security holograms authenticity A. A. Goncharsky, V. N. Bursuk, S. U. Seriojnikov497
 SIMULATION OF NDE TECHNOLOGY (III)
Application of a magnetic fluid to provide the pressure distribution at radiating surface of an ultrasonic transducer A. L. Mayorov, P. P. Prokhorenko, G. E. Konovalov 503
Noise diagnostics of photodetectors V. Apanasovich, 0. Baranovski, V. Lutkovski, R. Makarski, A. Shahout 507
The peculiarities of fault diagnostics for CMOS combinational circuits R. Beniseviciute 515
Calculation of vibrational temperatures and populations of the laser levels of the CO, K. I. Arshinov, N. S. Leshchenuk, V. V. Nevdakh 523
 INVERSE METHODS FOR FLAW DETECTION AND CHARACTERIZATION (III)
Three-dimensional reconstruction of casting defects from a limited number of X-ray projections C. Lehr 529
An inverse modeling using a robust Steiglitz-McBride algorithm L. M. Ghouti 537
Inverse wave theory-based algorithms for the ultrasonic inspection of thin laminated materials, based on reflection measurements J. Vos, D. J. Verschuur, C. P. A. Wapenaar 539
Remark on using deconvolution for restoring eddy-current data D. Bouden, I. Lemahieu 547
Ultrasonic diagnostic tomography of solid state articles Ya. A. Akulich, V. B. Gladishchuk, M. V. Golub, Ju. A. Kuzavko, B. N. Sklipus 553
The inverse problem for diagnostic of zero-offset data S. Romanov 557
 IMAGE AND SIGNAL PROCESSING (IV)
System for detection and classification of flaws In ferromagnetic products D. V. Savenkov, V. F. Moujitski, V. P. Kourosaev, R. V. Zagidulin 565
Correction of image apparatus distortions V. Lutkovski, T. Lashina, A. Gordeev 567
Features of application of the Interval analysis for Interpretation of measuring experiment E. Chernukha 571
Algorithms for visualization of results in computations of structures A. A. Abdukodirov, A. D. Tsoy 579
Soft- and hardware system for treatment of acoustical images obtained during oil-gas columns testing R. Zagidulin, V. Strelkov, S. Dyblenko, A. Kiselev, A. Sultanov, V. Chemykh 585
Combinational methods to improve the Integrity and confidentially of the information in communication channels P. P. Urbanovich, N. V. Patsei 591
Computer diagnosing of a equipment condition of gas pipelines in operation A. lgumentzev, V. Kobzev, 0. Konohova, 0. Suschiy, N. Rarog 595

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