داده های ثبت شده در پورتال
1
Babak Mosavi, Mahdi Akhtarian, , Vahid Lotfi,
"Effects of graphene-oxide and nanosilica on the wear resistance and strength of self-consolidating high-strength cement mortar", Advances in Materials and Processing Technologies,
Vol. 10,
Num. 1,
Page 1-15,
January 2024,
2
Vahid Lotfi, Hesamedin Abdorazaghi,
"Dynamic analysis of Pine Flat dam–water–foundation rock system utilizing the H-W truncation boundary condition", ENGINEERING COMPUTATIONS,
Vol. 0,
Num. 0,
Page 0-0,
January 2024,
3
Vahid Lotfi, Solmaz Dehghanmarvasty,
"Time harmonic analysis of concrete gravity dam-reservoir systems by mixed
High order-Wavenumber approach for general reservoir bottom condition", Structures,
Vol. 55,
Num. 1,
Page 1906-1919,
September 2023,
4
Reza Akbari, Seyed Alireza Hashempour, Vahid Lotfi,
"Non-Linear Seismic Evaluation of Concrete Dams Utilizing a Simplified Isotropic Damage Model", DAM ENGINEERING,
Vol. 33,
Num. 1,
Page 1-25,
September 2023,
5
Solmaz Dehghanmarvasty, Vahid Lotfi,
"Dynamic analysis of Pine Flat dam-reservoir system utilizing Hagstrom-Warburton truncation boundary condition", Coupled Systems Mechanics,
Vol. 12,
Num. 4,
Page 365-389,
August 2023,
6
Solmaz Dehghanmarvasty, Vahid Lotfi,
"Application of G-N high-order boundary condition on time harmonic analysis of concrete gravity dam-reservoir systems", ENGINEERING COMPUTATIONS,
Vol. 0,
Num. 0,
Page 1-22,
February 2023,
7
Seyed Alireza Hashempour, Reza Akbari, Vahid Lotfi,
"A simplified continuum damage model for nonlinear seismic analysis of
concrete arch dams using different damping algorithms", Civil Engineering Infrastructures Journal,
Vol. 0,
Num. 0,
Page 1-32,
January 2023,
8
Vahid Lotfi, Gerald Zenz,
"Application of Wavenumber-TD Approach for
Transient Analysis of Concrete Arch Dam-Reservoir Systems", DAM ENGINEERING,
Vol. 31,
Num. 3,
Page 167-188,
December 2022,
9
Reza Akbari, Vahid Lotfi,
"Nonlinear dynamic analysis of concrete gravity dams utilizing
a simplifed continuum damage model and diferent damping
algorithms", Asian Journal of Civil Engineering (Building and Housing),
Vol. 24,
Num. 2,
Page 453-468,
October 2022,
10
Babak Mosavi, , Vahid Lotfi,
"A computational investigation of applicability of nonlinear fracture mechanics in nano-scale fracture of graphene", Materialstoday Communications,
Vol. 31,
Num. 1,
Page 103687-103687,
May 2022,
11
Vahid Lotfi, Ali Lotfi,
"Time harmonic analysis of concrete arch dam-reservoir systems by utilizing GN high-order truncation condition", Scientia Iranica,
Vol. 0,
Num. 0,
Page 1-30,
March 2022,
12
Vahid Lotfi, Ali Lotfi,
"Application of Hagstrom-Warburton high-order truncation boundary condition on time harmonic analysis of concrete arch dam-reservoir systems", ENGINEERING COMPUTATIONS,
Vol. 0,
Num. 0,
Page 1-25,
February 2021,
13
Reza Farzad, Vahid Lotfi,
"Modal Analysis of Concrete Arch Dam-Reservoir-Massed Foundation System in Frequency Domain", PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-STRUCTURES AND BUILDINGS,
Vol. 0,
Num. 0,
Page 1-13,
February 2021,
14
Arash Hosseinzadeh, Abbas Soroush, Vahid Lotfi, Mahdi Nobari Nasab,
"Three Dimensional Seepage Analysis in Foundation and Abutments of Karun III Concrete Arch Dam", DAM ENGINEERING,
Vol. XXXI,
Num. 1,
Page 25-42,
August 2020,
15
Vahid Lotfi, Gerald Zenz,
"Time harmonic analysis of concrete gravity dam-reservoir systems by Wavenumber-TD approach", DAM ENGINEERING,
Vol. 30,
Num. 2,
Page 41-63,
December 2019,
16
Hamid Taghavi Ganji, Vahid Lotfi,
"Transient analysis of concrete gravity dams by Wavenumber-TD method for general excitation", PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-STRUCTURES AND BUILDINGS,
Vol. 0,
Num. 0,
Page 1-17,
November 2019,
17
Vahid Lotfi, Ahmad Aftabi Sani,
"Calculation of coupled modes of fluid-structure systems by pseudo symmetric subspace iteration method", SCIENTIA IRANICA TRANSACTION A-CIVIL ENGINEERING,
Vol. 26,
Num. 4,
Page 2100-2107,
September 2019,
18
Hamid Taghavi Ganji, Vahid Lotfi,
"Time harmonic analysis of a gravity dam-reservoir system using Wavenumber-TD approach for general ground excitation", DAM ENGINEERING,
Vol. 29,
Num. 1,
Page 1-23,
December 2018,
19
Mehran Jafari, Vahid Lotfi,
"Dynamic analysis of concrete gravity dam-reservoir systems by Wavenumber approach for the general reservoir base condition", SCIENTIA IRANICA TRANSACTION A-CIVIL ENGINEERING,
Vol. 25,
Num. 6,
Page 3054-3065,
December 2018,
20
Vahid Lotfi, Gerald Zenz,
"Application of Wavenumber-TD approach for time harmonic analysis of concrete arch dam-reservoir systems", Coupled Systems Mechanics,
Vol. 7,
Num. 3,
Page 353-371,
June 2018,
21
Vahid Lotfi,
"Dynamic analysis of concrete gravity dam-reservoir systems by Wavenumber approach for the general reservoir base condition and ground excitation", DAM ENGINEERING,
Vol. 27,
Num. 3,
Page 33-57,
May 2017,
22
Saeed Haji Ghasemali, Aliakbar Ramezanianpor, Vahid Lotfi, Mohammadhosein Kashefizadeh,
"Investigation of the effect of Alkalai-Silica Reaction on the Structural Behavior of Reinforced Concrete Beams Using the Finite Element Method", ,
Vol. 49,
Num. 1,
Page 23-33,
May 2017,
23
Omid Omidi, Vahid Lotfi,
"Seismic plastic–damage analysis of mass concrete blocks in arch dams
including contraction and peripheral joints", SOIL DYNAMICS AND EARTHQUAKE ENGINEERING,
Vol. 95,
Num. 0,
Page 118-137,
April 2017,
24
Omid Omidi, Vahid Lotfi,
"A symmetric implementation of pressure-based fluid-structure interaction for nonlinear seismic analysis of arch dams", JOURNAL OF FLUIDS AND STRUCTURES,
Vol. 69,
Num. 0,
Page 34-55,
February 2017,
25
Seyed Iman Zare Estakhraji, Vahid Lotfi,
"Dynamic analysis of concrete gravity dam-reservoir systems by approximate wavenumber approach", ENGINEERING COMPUTATIONS,
Vol. 33,
Num. 7,
Page 2045-2066,
October 2016,
26
Vahid Lotfi, Gerald Zenz,
"Transient analysis of concrete gravity dam-reservoir systems by Wavenumber-TD approach", SOIL DYNAMICS AND EARTHQUAKE ENGINEERING,
Vol. 90,
Num. 1,
Page 313-326,
October 2016,
27
Adib Khazaee, Vahid Lotfi,
"A new technique for determining coupled modes of structure-acoustic systems", ARCHIVE OF APPLIED MECHANICS,
Vol. 85,
Num. 7,
Page 955-967,
July 2015,
28
Adib Khazaee, Vahid Lotfi,
"Time harmonic analysis of dam-foundation systems by perfectly matched layers", STRUCTURAL ENGINEERING AND MECHANICS,
Vol. 50,
Num. 3,
Page 349-364,
May 2014,
29
Adib Khazaee, Vahid Lotfi,
"Application of perfectly matched layers in the transient analysis of dam-reservoir systems", SOIL DYNAMICS AND EARTHQUAKE ENGINEERING,
Vol. 60,
Num. 1,
Page 51-68,
April 2014,
30
Omid Omidi, Vahid Lotfi,
"Earthquake response of concrete dams: a plastic-damage approach", EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS,
Vol. 42,
Num. 14,
Page 2129-2149,
July 2013,
31
Seyed Asghar Arjmandi, Vahid Lotfi,
"Comparison of three efficient methods for computing mode shapes of fluid-structure interaction systems", ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING,
Vol. 38,
Num. 4,
Page 787-803,
April 2013,
32
Ali Samii, Vahid Lotfi,
"A high-order based boundary condition for dynamic analysis of infinite reservoirs", COMPUTERS & STRUCTURES,
Vol. 120,
Num. 1,
Page 65-76,
April 2013,
33
Omid Omidi, Somasundaram Valliappan, Vahid Lotfi,
"Seismic cracking of concrete gravity dams by plastic-damage model using different damping mechanisms", FINITE ELEMENTS IN ANALYSIS AND DESIGN,
Vol. 63,
Num. 1,
Page 80-97,
January 2013,
34
Amirhossein Keivani, Vahid Lotfi,
"An effective method for eigen-problem solution of fluid-structure systems", Computational Methods in Civil Engineering(CMCE),
Vol. 3,
Num. 2,
Page 1-14,
November 2012,
35
Omid Omidi, Vahid Lotfi,
"Continuum large cracking in a rate-dependent plastic-damage model for cyclic-loaded concrete structures", INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS,
Vol. -,
Num. 0,
Page 0-0,
October 2012,
36
Arash Hiseinzadeh, Mahdi Nobari Nasab, Abbas Soroush, Vahid Lotfi,
"Coupled stress-seepage analysis of KARUN III
concrete arch dam", PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-GEOTECHNICAL ENGINEERING,
Vol. 1,
Num. 1,
Page 1-19,
July 2012,
37
Mohammad Reza Hajiabadi, Vahid Lotfi,
"An effective approach for utilizing damping solvent extraction method in frequency domain", SOIL DYNAMICS AND EARTHQUAKE ENGINEERING,
Vol. 38,
Num. 1,
Page 46-57,
July 2012,
38
Vahid Lotfi, Ali Samii,
"Dynamic analysis of concrete gravity dam-reservoir systems by wavenumber approach in the frequency domain", Earthquakes and Structures,
Vol. 3,
Num. 3,
Page 533-548,
June 2012,
39
Vahid Lotfi, Omid Omidi,
"Dynamic analysis of Koyna dam using three-dimensional plastic-damage modeling", DAM ENGINEERING,
Vol. 22,
Num. 3,
Page 197-226,
June 2012,
40
Ali Samii, Vahid Lotfi,
"Application of the H-W boundary condition in dam-reservoir interaction problem", FINITE ELEMENTS IN ANALYSIS AND DESIGN,
Vol. 50,
Num. 1,
Page 86-97,
March 2012,
41
Ali Samii, Vahid Lotfi,
"High-order adjustable boundary condition for absorbing evanescent modes of waveguides and its application in coupled fluid-structure analysis", WAVE MOTION,
Vol. 49,
Num. 2,
Page 238-257,
March 2012,
42
Seyyed Asghar Arjmandi, Vahid Lotfi,
"Computing mode shapes of fluid-structure systems using subspace iteration methods", SCIENTIA IRANICA TRANSACTION A-CIVIL ENGINEERING,
Vol. 18,
Num. 6,
Page 1159-1169,
December 2011,
43
Hamid Reza Kazemi Nia Korrani, Vahid Lotfi,
"An investigation on dynamic interaction of concrete arch dams and foundation rock in frequency domain", ,
Vol. دوره 45,
Num. 5,
Page 577-589,
December 2011,
44
Maryam Hojati, Vahid Lotfi,
"Dynamic analysis of concrete gravity dams utilizing two-dimensional modified efficient fluid hyper-element", ADVANCES IN STRUCTURAL ENGINEERING,
Vol. 14,
Num. 6,
Page 1093-1106,
October 2011,
45
Ahmad Aftabi Sani, Vahid Lotfi,
"An effective procedure for seismic analysis of arch dams including dam-reservoir-foundation interaction effects", JOURNAL OF EARTHQUAKE ENGINEERING,
Vol. 15,
Num. 7,
Page 971-988,
September 2011,
46
Seyyed Asghar Arjmandi, Vahid Lotfi,
"Dynamic analysis of structures in frequency domain by a new set of Ritz vectors", STRUCTURAL ENGINEERING AND MECHANICS,
Vol. 39,
Num. 5,
Page 703-716,
September 2011,
47
Arash Fathi, Vahid Lotfi,
"Effects of reservoir length and rigorous fluid-foundation interaction on the frequency response functions of concrete gravity dams", DAM ENGINEERING,
Vol. 21,
Num. 3,
Page 213-233,
January 2011,
48
Ali Samii, Vahid Lotfi,
"Comparison of coupled and decoupled modal approaches in seismic analysis of concrete gravity dams in time domain", ,
Vol. 42,
Num. 2,
Page 37-47,
November 2010,
49
Omid Omidi, Vahid Lotfi,
"Finite element analysis of concrete structures using plastic damage model in 3-D implementation", INTERNATIONAL JOURNAL OF CIVIL ENGINEERING,
Vol. 8,
Num. 3,
Page 187-203,
September 2010,
50
Arash Hiseinzadeh, Mahdi Nobari Nasab, Vahid Lotfi, Abbas Soroush,
"Effects of foundation rock nonlinear models on analysis of Karun III concrete arch dam", ,
Vol. 44,
Num. 3,
Page 351-363,
September 2010,
51
Maryam Hojati, Vahid Lotfi,
"Dynamic analysis of gravity dams by employing efficient fluid hyper-element", ,
Vol. 42,
Num. 1,
Page 31-40,
September 2010,
52
Omid Omidi, Vahid Lotfi,
"Numerical analysis of cyclically loaded concrete under large tensile strains by the plastic-damage model", SCIENTIA IRANICA TRANSACTION A-CIVIL ENGINEERING,
Vol. 17,
Num. 3,
Page 194-208,
June 2010,
53
Ahmad Aftabi Sani, Vahid Lotfi,
"Dynamic analysis of concrete arch dams by ideal-coupled modal approach", ENGINEERING STRUCTURES,
Vol. 32,
Num. 5,
Page 1377-1383,
May 2010,
54
Hamidreza Arabshahi, Vahid Lotfi,
"Nonlinear Dynamic Analysis of arch dams with Joint Sliding Mechanism", ,
Vol. ,
Num. 5,
Page 0-0,
May 2009,
55
Seyyed Asghar Arjmandi, Vahid Lotfi,
"An investigation on the accuracy of the sommerfeld B.C. in dynamic analysis of concrete gravity dams", International Journal of Science & Technology (Amirkabir),
Vol. 19,
Num. 69,
Page 29-37,
November 2008,
56
Hamidreza Arabshahi, Vahid Lotfi,
"Earthquake response of concrete gravity dams including dam–foundation interface nonlinearities", ,
Vol. ,
Num. 30,
Page 0-0,
November 2008,
57
[en-name N/A], Vahid Lotfi,
"Linear Dynamic Analysis of Arch Dams Utilizing Modified Efficient Fluid Hyper -Element", ,
Vol. ,
Num. 29,
Page 0-0,
October 2007,
58
Ali Samii, Vahid Lotfi,
"Comparison of coupled and decoupled modal approaches in seismic analysis of concrete gravity dams in time domain", ,
Vol. ,
Num. 43,
Page 0-0,
September 2007,
59
Vahid Lotfi,
"An Efficient three-dimensional fluid hyper-element for dynamic analysis of concrete arch dams", ,
Vol. ,
Num. 6,
Page 0-0,
December 2006,
60
Vahid Lotfi,
"frequency domain analysis of concrete arch dams by decoupled modal approach", ,
Vol. ,
Num. 4,
Page 0-0,
November 2005,
61
Vahid Lotfi,
"Significance of Rigorous Fluid_Foundation Interaction in Dynamic Analysis of Concrete Gravity Dams", ,
Vol. ,
Num. 2,
Page 0-0,
September 2005,
62
Vahid Lotfi,
"Freguency domain analysis of concrete gravity dams by decoupled modal approach", ,
Vol. ,
Num. ,
Page 0-0,
August 2004,
63
Vahid Lotfi,
"Direct freguency domain analysis of eoncrete arch dams based on FE_ ( FE _HE ) _ BE technique", ,
Vol. ,
Num. 3,
Page 0-0,
August 2004,
64
Vahid Lotfi,
"Dynamic analysis of concrete arch dams based on FE _ BE proceduce including non _ uniform qround motion", ,
Vol. ,
Num. ,
Page 0-0,
May 2004,
65
Vahid Lotfi, Radin Espandar,
"Seismic analysis of concrete arch dams by combined discrete crack and non- orthogonal smeared crack technique", ,
Vol. ,
Num. 1,
Page 0-0,
January 2004,
66
Radin Espandar, Vahid Lotfi, [en-name N/A],
"Influence of effective parameters of non-orthogonal smeared crack approach in seismic response of concrete arch dams", ,
Vol. ,
Num. 30,
Page 0-0,
October 2003,
67
Radin Espandar, Vahid Lotfi,
"Comparison of non-orthogonal smeared crack and plasticity models for dynamic analysis of concrete arch dams", ,
Vol. ,
Num. 81,
Page 0-0,
June 2003,
68
Vahid Lotfi,
"Seismic analysis of concrete gravity dams by decoupled modal approach in time domain", ,
Vol. ,
Num. 1,
Page 0-0,
May 2003,
69
Vahid Lotfi,
"Seismic analysis of concrete dams using the pseudo - symmetric technique", ,
Vol. ,
Num. 2,
Page 0-0,
July 2002,
70
Vahid Lotfi, Radin Espandar,
"An investigation of joints behavior in seismic response of arch dams", ,
Vol. ,
Num. 1,
Page 0-0,
April 2002,
71
Vahid Lotfi, Radin Espandar,
"Seismic analysis of conrete arch dams by combined discrete crack and elasto - plastic technique", ,
Vol. ,
Num. ,
Page 0-0,
September 2001,
72
Vahid Lotfi,
"Freqeuncy domain analysis of concrete gravity dams including hydrodynamic effects", ,
Vol. ,
Num. ,
Page 0-0,
April 2001,
73
Vahid Lotfi,
"Application of discrete crack in nonlinear dynamic analysis of shahid rajaee arch dam", ,
Vol. ,
Num. 1,
Page 0-0,
February 2001,
74
Vahid Lotfi, Mohammad Reza Sharghi,
"Direct frequency domain analysis of concrete gravity dams based on fe-be procedure", ,
Vol. ,
Num. ,
Page 0-0,
January 2001,
75
Radin Espandar, Vahid Lotfi,
"Application of fixed smeared crack model in earthquake analysis of archdams", ,
Vol. ,
Num. ,
Page 0-0,
January 2000,
76
[en-name N/A], Vahid Lotfi,
"The shahid rajaee (tagan) arch dam in Iran", ,
Vol. ,
Num. ,
Page 0-0,
January 1997,
77
Vahid Lotfi,
"Comparison of discrete crack and elasto-plastic models in nonlinear dynamic analysis of arch dams", ,
Vol. ,
Num. ,
Page 0-0,
January 1996,
78
Vahid Lotfi, Faramarz Khoshnudian,
"Dynamic analysis of concrete gravity dams by combination of finite elements and boundary elements methods", ,
Vol. 0,
Num. 0,
Page 0-0,
January 1995,