دوشنبه، 25 بهمن 1395
تخمین زمان مطالعه:
موارد بیشتر برای شما

داوود یونسیان

داوود یونسیان

تحصیلات دانشگاهی:

  - دکترای مهندسی مکانیک، دانشگاه صنعتی شریف، سال اخذ: 1384

  حوزه پژوهش:

  ارتعاشات غیر خطی و اتفاقی، آکوستیک، نویز و ارتعاشات ریلی، ریاضیات کاربردی

  حوزه فرعی: ادبیات فارسی

  سوابق شغلی دانشگاهی:

  - عضو افتخاری مرکز تحقیقات ریاضیات و مکانیک سیستمهای پیچیده- M&M - ایتالیا، 1392-...

   - مدیر قطب علمی حمل و نقل ریلی- وزارت علوم تحقیقات و فناوری- 1390-1395

  - نایب رئیس انجمن آکوستیک و ارتعاشات ایران-1394 -...

  - عضو هیات مدیره انجمن آکوستیک و ارتعاشات ایران-1391 -...

 -  استاد دانشکده مهندسی راه آهن -دانشگاه علم و صنعت ایران 1393-...

  - دانشیار دانشکده مهندسی راه آهن -دانشگاه علم و صنعت ایران 1389-1393

  - استادیار دانشکده مهندسی راه آهن-دانشگاه علم و صنعت ایران 1385-1389

 - رئیس دانشکده مهندسی راه آهن -دانشگاه علم و صنعت ایران 1390-1392

  - معاون پژوهشی دانشکده مهندسی راه آهن -دانشگاه علم و صنعت ایران 1386-1390

  - استادیار مدعو، دانشکده مهندسی مکانیک، دانشگاه صنعتی امیرکبیز، 1385-1386

  - استادیار مدعو، دانشکده مهندسی مکانیک، دانشگاه صنعتی شریف، 1384-1387

  - دستیار تحقیقاتی، موسسه تحقیقاتی صدا و ارتعاشات ISVR، دانشگاه ساوتهمتون-انگلستان، 1383-1384

  - دوره پسا دکتری، دانشگاه صنعتی اونتاریو UOIT، کانادا، 1384-1385

  سوایق تدریس دانشگاهی:

   نمرات دروس

  - دینامیک (کارشناسی) {شماره تمرینات}

 - مقاومت مصالح I (کارشناسی) {شماره تمرینات}

 - مقاومت مصالح II (کارشناسی) {شماره تمرینات}

  - ارتعاشات (کارشناسی)

  - طراحی سازه واگن و لکوموتیو (کارشناسی)

  - ریاضیات عالی مهندسیIو II (ارشد-دکتری)

  - نویز و ارتعاشات ریلی (ارشد و دکتری)

  - ارتعاشات غیر خطی (ارشد و دکتری)

  افتخارات علمی:

- کسب رتبه اول تحصیلی در هر سه مقطع کارشناسی، کارشناسی ارشد و دکتری

- دانشجوی نمونه کشور در مقطع دکتری، 1384

- برگزیده جشن ستارگان شریف-دانشگاه صنعتی شریف، 1385

- کسب جایزه بورس تحقیقاتی از دانشگاه ساتهمتون-انگلستان، 1383

- کسب جایزه بورس تحقیقاتی دوره پسا دکتری، موسسه ملی تحقیقات و علوم کانادا،  1384

- منتخب بین 1500 محقق برجسته جهان در علوم محاسباتی و مهندسی، موسسه ساگز کوبرگ، انگلستان

- کسب عنوان نویسنده پر ارجاع  J Mech Res Comm ، انتشارات الزویر

- کسب عنوان دانشمند برجسته جوان، فرهنگستان علوم جمهوری اسلامی ایران، 1393

 عضویت در هیات تحریریه مجلات و دبیری کنفرانسهای بین المللی

Editor: International Journal of Vehicle Structures Analysis and Optimization, UK

Editor: Journal of Mechanical Engineering and Automation USA.

Editor: International Journal of Railway, South Korea (2011-2014)

Editor: International Journal of Transportation Engineering, Iran

Symposium Organizer : Fluid-Solid Interaction ME-2, 23th Canadian Congress on Applied Mechanics, 2011, Vancouver, Canada.

Symposium Organizer: Railway Noise and Vibration, International Conference on Railway Technology, 2012, Las Palmas, Spain.

Symposium Organizer: The Second International Conference on Railway Technology: Research, Development and Maintenance Ajaccio, Corsica, 2014, France

Symposium Organizer: 4th Canadian Conference on Nonlinear Solid Mechanics, 2013, Montreal, Canada.

Symposium Organizer: 14th International IEEE Conference on Nanotechnology, 2014, Toronto, Canada.

Co-chairman: Second International Conference on recent Advances in Railway Engineering-2009-Tehran-Iran

Chairman: Third International Conference on recent Advances in Railway Engineering-2013-Tehran-Iran

Co-chairman: International Congress on Advanced Railway Engineering-2015-Istanbul-Turkey

  نمونه گزارشات و مقالات و کتب منتشر شده:

  1- M.H. Kargarnovin, D.Younesian, Dynamics of Timoshenko Beams on Pasternak Foundation Under Moving Load, Mechanics Research Communication, Vol.31, No.6, pp.713-723, 2004. (*Highly Cited Paper) . (Abstract) ) ( 67 Citations : Scopus@2013 )

 2- M.H. Kargarnovin, D.Younesian , D.J.Thompson, C.J.C. Jones, Response of beams on nonlinear viscoelastic foundations to harmonic moving loads, Computers & Structures , Vol.83, pp.1865-1877, 2005. (Abstract) ( 56 Citations : Scopus@2013 )

 

3- M.H. Kargarnovin, B. Mehri, D.Younesian , Response of a Suspended Cable to Narrow-band Random Excitation with Peaked P.S.D., Mathematical and Computer Modeling , Vol.41, No.11, pp1203-1212, 2005. (Abstract) ( 4 Citations : Scopus@2013 )

  4- M.H. Kargarnovin, D.Younesian, D.J.Thompson, C.J.C. Jones, Ride Comfort of High-Speed Trains Travelling over Railway Bridges, Vehicle System Dynamics, Vol.43, No.3, pp.173-197, 2005. (Abstract) ( 20 Citations : Scopus@2013 )

 5- D.Younesian, M.H. Kargarnovin, , D.J.Thompson, C.J.C. Jones, Parametrically excited vibration of a Timoshenko beam on viscoealstic foundation subjected to a harmonic moving load, Nonlinear Dynamics, Vol. 45, No. 1-2, pp. 75-93, 2006. (Abstract) ( 28 Citations : Scopus@2013 )

  6 - D.Younesian, E.Esmailzadeh, R.Sedaghati, Passive control of vibration of beams subjected to random excitations with peaked PSD, Journal of Vibration and Control, Vol.12, No.9, pp. 941-953, 2006. (Abstract) ( 16 Citations : Scopus@2013 )

 7 - D.Younesian, E.Esmailzadeh, R.Sedaghati, Existence of Periodic Solutions for the generalized form of Mathieu Equation, Nonlinear Dynamics, Vol.39, pp.335-348, 2006. (Abstract) ( 19 Citations : Scopus@2013 )

  8 - D.Younesian, E.Esmailzadeh, R.Sedaghati, Asymptotic solutions and stability analysis for the nonhomogenous Generalized form of Mathieu Equation, Communications in Nonlinear Sciences and Numerical Simulations, Vol. 12, No.1, pp. 58-71, 2007. (Abstract) ( 11 Citations : Scopus@2013 )

 9 - A. Asadi Lari, D. Younesian, F. Schmid, Tangential force variation due to the bogie direction reversal procedure, Vehicle System Dynamics, Vol. 45, No. 4, pp. 359-373, 2007. (Abstract) ( 3 Citations : Scopus@2013 )

 10- D. Younesian , M. H. Kargarnovin, E. Esmailzadeh, Optimal Passive Vibration Control of Timoshenko Beams with Arbitrary Boundary Conditions Traversed by Moving Loads, Journal of Multi-body Dynamics, Vol. 222, No. K2, pp. 179-189, 2008 . (Abstract) ( 12 Citations : Scopus@2013 )

 11 - M. Ansari, E. Esmailzadeh, D. Younesian Longitudinal dynamics of freight trains, International Journal of Heavy Vehicle Systems, Vol. 1/2, pp. 102-131, 2009. (Abstract) ( 15 Citations : Scopus@2013 )

  12- D. Younesian, A. Solhmirzaei and A. Gachloo, Fatigue life estimation of MD36 and MD523 bogies based on damage accumulation and random fatigue theory, Journal of Mechanical Science and Technology 23, pp. 2149-2156, 2009 . (Abstract) ( 2 Citations : Scopus@2011 )

  13- D. Younesian, M.H. Kargarnovin, Response of the beams on random Pasternak foundations subjected to harmonic moving loads, Journal of Mechanical Science and Technology 23, pp. 2871-2882, 2010 . (Abstract) ( 7 Citations : Scopus@2013 )

 14- D. Younesian, E.Esmailzadeh, Non-linear vibration of variable speed rotating viscoelastic Beams, Nonlinear Dynamics, Volume 60, Numbers 1-2 / April, 193-205, 2010 . (Abstract) ( 13 Citations : Scopus@2013 )

  15- A. Mamandi · M. H. Kargarnovin, D. Younesian, Nonlinear dynamics of an inclined beam subjected to a moving load, Nonlinear Dynamics, 60 (3), pp. 277-293 , 2010. (Abstract) ( 10 Citations : Scopus@2013 )

  16- D. Younesian, M Abedi, I. hazrati Ashtiani, Dynamic Analysis of a Partially Filled Tanker Train Traveling on a Curved Track, International Journal of Heavy Vehicle Systems, 17 (3-4), pp.331-358, 2010. (Abstract) ( 2 Citations : Scopus@2013 )

 17 - M. Ansari, E. Esmailzadeh, D. Younesian, Internal-external resonance of beams on nonlinear viscoelastic foundation traversed by moving load, Nonlinear Dynamics, 61 (1-2), pp. 163-182, 2010. (Abstract) ( 11 Citations : Scopus@2013 )

 18- D.Younesian, E. Ghafoori, M. Sadeghpour, Nonlinear Vibration of Three Dimensional Moving Gantry Crane Subjected to a travelling Trolly Hoisting a Swinging Object, Transactions of the CSME, Vol 34, No. 3, pp.327-344, 2010. (Abstract) (2 Citations : Scopus@2013 )

 19-D.Younesian, H. Askari, Z SaadatNia, M. KalamiYazdi, Frequency analysis of strongly nonlinear generalized Duffing oscillators using He's frequency_amplitude formulation and He's energy balance method, Computers and Mathematics with Applications, Vol. 59, pp3222-3228, 2010. (Abstract) ( 37 Citations : Scopus@2013 )

  20-D.Younesian, H. Askari, Z SaadatNia, M. KalamiYazdi, Periodic solutions for the generalized nonlinear oscillators containing fraction order elastic force, Journal of Nonlinear Science and Numerical Simulations, Vol.11, No.12, pp.1027-1032, 2010. (Abstract) ( 12 Citations : Scopus@2013 )

 21- D. Younesian, E.Esmailzadeh, Vibration suppression of rotating beams using time-varying internal tensile force, Journal of Sound and Vibration, Vol. 330,pp.308-320 2011. (Abstract) ( 9 Citations : Scopus@2013 )

 22-M. Ansari, E. Esmailzadeh, D. Younesian, Frequency Analysis of finite beams on nonlinear Kelvin-Voight foundation under moving loads, Journal of Sound and Vibration, Vol. 330, pp. 1455-1471 2011. (Abstract) ( 9 Citations : Scopus@2013 )

  23- Askari, H., Saadatnia, Z., Younesian, D., Yildirim, A., Kalami-Yazdi, M., Approximate periodic solutions for the helmholtz-duffing equation. Computers and Mathematics with Applications , 62(10), 3894-3901, 2011. ( 5 Citations : Scopus@2013 )

  24 -Rezvanil, M. J., Kargarnovin, M. H., & Younesian, D. Dynamic analysis of composite beam subjected to harmonic moving load based on the third-order shear deformation theory. Frontiers of Mechanical Engineering , 6(4), 409-418, 2011. ( 1 Citation : Scopus@2013 )

25-Younesian, D. , Askari, H., Saadatnia, Z., & KalamiYazdi, M. Analytical approximate solutions for the generalized nonlinear oscillator. Applicable Analysis , 91(5), 965-977, 2012. ( 9 Citations : Scopus@2013 )

  26-Younesian, D., Askari, H., Saadatnia, Z., & Yldrm, A. Analytical solution for nonlinear wave propagation in shallow media using the variational iteration method. Waves in Random and Complex Media, 22(2), 133-142, 2012. ( 4 Citations : Scopus@2013 )

27-Younesian, D., Saadatnia, Z., & Askari, H. Analytical solutions for free oscillations of beams on nonlinear elastic foundations using the variational iteration , Journal of Theoretical and Applied Mechanics , 50(2), 639-652, 2012. ( 4 Citations : Scopus@2013 )

  28- Askari, H. , Younesian, D . , Saadatnia, Z. , Esmailzadeh, E. , Nonlinear free vibration analysis of the functionally graded beams , Journal of Vibroengineering , 14 (3) , pp. 1233-1245, 2012.

  29-Younesian, D., Sadri M. Effects of the trench geometry on vibration mitigation level in high-speed railway tracks , J ournal of Mechanical Science and Technology 26 (8) , pp. 2469-2476, 2012.

  30- Younesian, D. , Marjani. S.R., Esmailzadeh, E. , Nonlinear vibration analysis of harmonically excited cracked beams on viscoelastic foundations Nonlinear Dynamics, 71 (1-2), 109-120, 2013.

31- Younesian, D . , Marjani. S.R., Esmailzadeh, E. , Importance of flexural mode shapes in dynamic analysis of high-speed trains traveling on bridges, Journal of Vibration and Control, DOI:10.1177/1077546312466882, 2013.

  32- Younesian, D. , Aleghafourian H., Esmailzadeh, E. , Vibration analysis of circular annular plates subjected to peripheral rotating transverse loads, Journal of Vibration and Control, DOI:10.1177/1077546313499178, 2013.

  33- Sadri M, Younesian D., Nonlinear harmonic vibration analysis of a plate-cavity system, Nonlinear Dynamics, 74 (4), 1267-1279, 2013..

  34- Sadri M, Younesian D., Nonlinear free vibration analysis of a plate-cavity system, Thin-Walled Structures, 74, 191-200, 2013.

 35- Shakeri R, Younesian D., Analytical Solution for the Sound Radiation Field of a Viscoelastically Supported Beam Traversed by a Moving Load, Shock and Vibration, Article ID 530131, 2014.

  .

  36- Askari, H., Saadatnia, Z., Younesian, D., Nonlinear Oscillation Analysis of the Elevator Cable in a Drum Drive Elevator System, Advances in Applied Mathematics and Mechanics, 7, 43-57, 2014.

  .

  37- Nahidi A, Younesian D., Novel Control Strategies for Roll/Pitch Stabilization of Tanker Trains, Rail and Rapid Transit, Accepted, In Press, 2014.

 38- Sadri M, Younesian D., Performance Analysis of Multiple Active-Passive Trenches in Train-induced Vibration Mitigation, Low Frequency Vibration and Active Noise Control, 33 (1), 12-21, 2014.

  39- Askari, H., , Esmailzadeh E., Younesian, D. Analytical Solutions for Large Amplitude Free Vibrations of Stiffened Triangular Plates, Journal of Sound and Vibration, 333 (22), 5817-5835, 2014.

 40- Rostam, M. , Younesian, D., Esmailzadeh E., Asymptotic Solutions and Stability Analysis of Two-dimensional asymmetric Mathieu Equation, Nonlinear Dynamics, Springer, Accepted, In Press, 2014.

  41- Sadri, M. , Younesian, D., Esmailzadeh E., Primary and secondary resonance analyses of clamped-clamped micro-beams , Nonlinear Dynamics, 76 (4), 1867-1884, 2014 .

REFEREED CONFERENCE PAPERS

  1- M.H. Kargarnovin, D.Younesian, Dynamic Response Analysis of Timoshenko Beam on the Viscoelastic Foundation Under Moving Concentrated Oscillating Load, 5th International Mech Eng Conference, May 2001, Iran.

  2- M.H. Kargarnovin, D.Younesian, Response Comparison Between Euler-Bernoulli and Timoshenko beam Over the Viscoelastic Foundation Subjected to Travelling Concentrated load , EuroConference on Computational Mechanics and Engineering Practice, September 2001, SZCZYRK, Poland.

  3- M.H. Kargarnovin, D.Younesian, Dynamic Response Analysis of Timoshenko Beam on the Viscoelastic Foundation Under a Distributive Harmonic Moving Load, 5th European Conference on Structural Dynamics, September 2002, Munich, Germany.

  4- M.H. Kargarnovin, B. Mehri, D.Younesian, Free Vibration Analysis of Suspended Cables Using Banach Fixed-Point Theorem, 4th Iranian Aerospace Society Conference (AERO-2003), Jan 2003, Iran.

  5- M.H. Kargarnovin, D.Younesian, D.J.Thompson, C.J.C. Jones, Non-linear Vibration and Comfort Analysis of High-Speed Trains Moving over the Railway Bridges, ASME Conference, ESDA2004, 2004, UK.

  6- H.Jamshidi, H.Mehdigholi, D.Younesian, Modelling and vibration analysis of a complete rotor system including nonlinear bearings, 8th International conference on Mech Eng, 2004, Iran.

  7- D. Younesian , M.H. Kargarnovin, E.Esmailzadeh, Vibration of tracks with randomly distributed parameters, 5th European Conference, on Structural Dynamics, 2005, Paris, France.

  8- F. Yang, R. Sedaghati, D. Younesian, E. Esmailzadeh, Optimal placement of active bars in smart structures , IEEE International Conference on Mechatronics and Automation, 2005, Niagara Falls, Canada.

  9- F. Yang, R. Sedaghati, D. Younesian E. Esmailzadeh, On the placement of active bars and optimal feedback gain in random adaptive structures for vibration suppression, 20th ASME Conference on noise and vibration, 2005, California-USA.

  10- D. Younesian , M.H. Kargarnovin, E.Esmailzadeh, Passive vibration control of elastically supported beams subjected to moving loads, 20th ASME Conference on noise and vibration, 2005, California-USA.

  11- D.Younesian , E.Esmailzadeh, R.Sedaghati , Transition curves for nonhomogeneous Mathieu equation, 20th ASME C onference on noise and vibration, 2005, California-USA.

  12- D.Younesian, E.Esmailzadeh, S.Mohammadzadeh, System identification and sensitivity analysis of ladder tracks, World Congress on Railway Research, 2006, Montreal, Canada.

  13- D.Younesian , E.Esmailzadeh, R.Sedaghati , Optimal control of vibration of the Timoshenko beams, 14th International Conference on Mechanical Engineering, 2006, Iran.

  14- N.Pandarathil, D. Younesian, E. Esmailzadeh, Application of the DelayedResonators in Active Suspension Systems of High-speed Trains, 2006 ASME International Mechanical Engineering Congress & Exposition, Chicago, 2006, USA.

  15- H. Farahpour, D. Younesian, E. Esmailzadeh, Ride Quality of High-speed Trains Traveling over the Corrugated Rails, 2006 ASME International Mechanical Engineering Congress & Exposition, Chicago, 2006, USA.

  16- M. Ansari, E. Esmailzadeh, D. Younesian, Sensitivity Analysis in Longitudinal Freight Trains Dynamics, 21 Canadian Congress on Applied Mechanics, Toronto, 2007, Canada.

  17- A. Fassih, D. Younesian, E. Esmailzadeh, Application of the Optimal Gain Switching Technique in Design of Railway Vehicle Active Suspension Systems, 21 Canadian Congress on Applied Mechanics, Toronto, 2007, Canada.

  18- M. Ansari, D. Younesian, E. Esmailzadeh, Effects of Coupler Specifications and Operational Conditions on the Longitudinal Freight Train Dynamics, 21th ASME Conference on noise and vibration, 2007, California-USA.

  19- M. Ansari, D. Younesian, E. Esmailzadeh, Effects of load distribution patterns on the Longitudinal Freight Trains Dynamics, 21th ASME Conference on noise and vibration, 2007, California-USA.

  20- E. Ghafouri, D. Younesian, Dynamic analysis of gantry cranes subjected to a moving trolley hoisting a swinging object, 7th European Conference on Structural Dynamics, 2008, Southampton, UK.

  21- D. Younesian, A. Asadi Lari, J. Hosseizadeh, Vibration control in pantograph systems of passenger trains with overhead catenary, 16th International Conference on Mechanical Engineering, 2008, Iran.

  22- D. Younesian, A. Solh Mirzaei, A.R. Gachloo, Fatigue life estimation of MD36 and MD523 bogies based on damage accumulation and random fatigue theory, 16th International Conference on Mechanical Engineering, 2008, Iran.

  23-M. Ansari, D. Younesian, E. Esmailzadeh, Vibration of Finite Beam on Nonlinear Foundation Traversed by Moving Load, CSME-SCGM biannual conference, 2008, Ottawa, Canada.

  24- D. Younesian, H. Shokrollahi, E. Esmailzadeh, Nonlinear Vibration Analysis and Simulation of Rubber Elements A new in Passenger Train Suspension Systems, 2008 ASME International Mechanical Engineering Congress and Exposition, 2008, Boston, Massachusetts, USA

  25- D. Younesian, F. Javid, E. Esmailzadeh, A new approach for on-track measurement of lateral/vertical wheel loads of runing railway vehicles based on the neural network, , 2008 ASME International Mechanical Engineering Congress and Exposition, 2008, Boston, Massachusetts, USA.

  26- D. Younesian, A. Solh Mirzaei, A.R. Gachloo, RANDOM Fatigue failure of MD36 and MD523 bogie frames due to rail corrugations, Proceedings of the ASME 2008 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference 2008, New York, USA.

  27- D. Younesian, I. Hazrati Ashtiani, M. Abedi, E. Esmailzadeh, Effects of partially-filled containers in dynamic behavior of tanker trains traveling on curved tracks, Proceedings of the ASME 2008 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference 2008, New York, USA.

  28-A. Mamandi, M. H. Kargarnovin and D. Younesian, Free Vibrations of a Cord Composite Laminate Thin Cylindrical Shell on a Pasternak Foundation, 7th European Conference on Structural Dynamics, 2008, Southampton, UK.

  29- E. Ghafoori1 and D. Younesian, Dynamic Analysis of Gantry Cranes Subjected to a Moving Trolley Hoisting a Swinging Object, 7th European Conference on Structural Dynamics, 2008, Southampton, UK.

  30- M. Ansari, E. Esmailzadeh, D. Younesian, Parameter Sensitivity Analysis of Oscillating Beams on Nonlinear Foundation Subjected to Moving Load, 3rd Canadian Conference on Nonlinear Solid Mechanics, 2008, Toronto, Canada.

  .

  31- M. Ansari, E. Esmailzadeh, Younesian, D., Javid, F., Esmailzadeh, E. On-track measurement of lateral/vertical wheel loads of running railway vehicles based on the neural network, ASME International Mechanical Engineering Congress and Exposition, 2009, Boston, USA.

  32- Younesian, D., Javid, F., Esmailzadeh, E. On-track measurement of lateral/vertical wheel loads of running railway vehicles based on the neural network, ASME International Mechanical Engineering Congress and Exposition, 2009, Boston, USA.

  33- Younesian, D., Sadri, M., Sensitivity analysis of the rectangular trenches employed in suppression of the high-speed train-induced ground vibrations, ASME 10th Biennial Conference on Engineering Systems Design and Analysis, 2010, Istanbul, Turkey. (Abstract)

  34- Younesian, D., Nankali, A., Motieyan, M.E., Application of the nonlinear energy sink systems in vibration suppression of railway bridges, ASME 10th Biennial, Conference on Engineering Systems Design and Analysis, 2010, Istanbul, Turkey. (Abstract)

  35-Younesian, D., Askari, H., Saadatnia, Z., Esmailzadeh, E., Analytical Solutions for Nonlinear Lateral Sloshing in Partially-Filled Elliptical Tankers, ASME IDETC/CIE Conference, 2011, Washington, USA. (Abstract)

  36- Younesian, D., Askari, H., Saadatnia, Z., Esmailzadeh, E., Analytical Solutions for Oscillation of Plate on a Nonlinear Winkler Foundation, ASME IDETC/CIE Conference, 2011, Washington, USA. (Abstract)

  .37- Javid, F., Esmailzadeh, E., Younesian, D., Random Base Excitation of Timoshenko Beam Traversed by Moving Load, ASME IDETC/CIE Conference, 2011, Washington, USA ( Abstract)



ارسال نظر
با تشکر، نظر شما پس از بررسی و تایید در سایت قرار خواهد گرفت.
متاسفانه در برقراری ارتباط خطایی رخ داده. لطفاً دوباره تلاش کنید.