Evangelos. George. Ladopoulos

The Annual Report for the year 2023 by the EU Academy of Sciences (EUAS)

Volume 12 of the journal: Universal Journal of Aeronautical & Aerospace Sciences by EUAS

Volume 12 of the journal: Universal Journal of Fluid Mechanics by EUAS

Volume 12 of the journal: Universal Journal of Fracture Mechanics by EUAS

Volume 12 of the journal: Universal Journal of Integral Equations 12 (2024)

Volume 12 of the journal: Universal Journal of Non-linear Mechanics by EUAS

Volume 12 of the journal: Universal Journal of Aerodynamics by EUAS

Volume 12 of the journal Universal Journal of Applied Mathematics & Computation by EUAS

Volume 12 of the journal : Universal Journal of Engineering Mechanics by EUAS

Volume 12 of the journal: Universal Journal of Hydraulics by EUAS

Volume 12 of the journal: Universal Journal of Structural Analysis by EUAS

Volume 12 of the journal: Universal Journal of Computational Analysis by EUAS

Volume 12 of the journal: Universal Journal of Petroleum Sciences by EUAS

Volume 12 of the journal: Universal Journal of Renewable Energy by EUAS

THE 2022 ANNUAL REPORT OF THE MEMBERS OF THE EU ACADEMY OF SCIENCES (EUAS)

VOLUME 11 (2023) Universal Journal of Applied Mathematics Computation

VOLUME 11 (2023) Universal Journal of Aeronautical Aeorospace Sciences

VOLUME 11 (2023) Universal Journal of Engineering Mechanics

VOLUME 11 (2023) Universal Journal of Petroleum Sciences

VOLUME 11 (2023) of Universal Journal of Aerodynamics

VOLUME 11 (2023) Universal Journal of Computational Analysis

VOLUME 11 (2023) Universal Journal of Fluid Mechanics 11

VOLUME 11 (2023) Universal Journal of Fracture Mechanics

VOLUME 11 (2023) Universal Journal of Hydraulics

VOLUME 11 (2023) Universal Journal of Integral Equations

VOLUME 11 (2023) Universal Journal of Non-linear Mechanics

VOLUME 11 (2023) Universal Journal of Renewable Energy

VOLUME 11 (2023) Universal Journal of Structural Analysis

EU Academy of Sciences Universal Journal of Aerodynamics 10 (2022)

EU Academy of Sciences Universal Journal of Fluid Mechanics 10 (2022)

EU Academy of Sciences Universal Journal of Computational Analysis 10 (2022)

EU Academy of Sciences Universal Journal of Engineering Mechanics 10 (2022)

EU Academy of Sciences Universal Journal of Fracture Mechanics 10 (2022)

EU Academy of Sciences Universal Journal of Integral Equations 10 (2022)

EU Academy of Sciences Universal Journal of Non-linear Mechanics 10 (2022)

EU Academy of Sciences Universal Journal of Structural Analysis 10 (2022)

EU Academy of Sciences Universal Journal of Applied Mathematics Computation 10 (2022)

EU Academy of Sciences Universal Journal of Hydraulics 10 (2022)

EU Academy of Sciences Universal Journal of Petroleum Sciences 10 (2022)

EU Academy of Sciences Universal Journal of Renewable Energy 10 (2022)

A non-linear 3-D elastic waves real-time expert system is further investigated for the exploration of the onshore and offshore petroleum reserves worldwide, according to the modern theory of "Non-linear Real-Time Expert Seismology". Such leading technology will work under Real Time Logic for searching offshore petroleum reserves developed on the co...

A leading non-linear model is further studied and investigated, for the determination of the velocity field around a cascade of airfoils of a turbomachine. This problem is reduced to the solution of a non-linear multidimensional singular integral equation, when considering harmonic time dependence between the motions of adjacent blades of the turbi...

For the design of the future spacecraft of any speed, the leading theory of "Universal Mechanics" is further studied and improved. The innovative theory of "Universal Mechanics" consists of the combination of the theories of "Relativistic Elasticity" and "Relativistic Thermo-Elasticity". So, according to the above theories there is a considerable d...

A leading technology on stationary energy storage is further improved and studied by using non-linear Lithium-Ion batteries with intermediate bands. Hence, it will be shown that by using the above very modern chemical based method, then the statical energy storage will be very much increased in comparison to the present technology. Thus, the energy...

Non-linear Real-Time Expert Seismology" is the leading technology by using a non-linear 3-D elastic waves real-time expert system, for the exploration of the onshore and offshore oil & gas reserves worldwide. The above innovative petroleum exploration method is working by using elastic (seismic) waves moving in an unbounded subsurface medium, for s...

A leading technology is further studied and investigated in the area of four-dimensional multiphase flows for the determination of the properties of reservoir materials, when oil & gas reserves together with water are moving through porous media. This multiphase problem seems to be very important for petroleum reservoir engineering. Hence, the abov...

A leading technology is further investigated by applying the Singular Integral Operators Method (S.I.O.M.).for the determination of the properties of non-wood cellulosic fibers used for paper manufacturing. Consequently, the solution of the anisotropic elastic stress analysis problem is studied, which defines the basic feature for the mechanical be...

A leading technology is further improved for the solution of the classical open channel hydraulics problem to the determination of the free-surface profile of an unsteady flow over a spillway flow in dams, for power production. Thus, by using the Singular Integral Operators Method (S.I.O.M.) then the above problem can be reduced to the solution of...

By the Current research the leading non-linear real-time expert water management telematics system is further improved and investigated, in order to minimize the waste of 15 % to 40 % of the water supplies in the ground pipe networks, because of the leakage. Hence, the step testing method will be used for the design of such an expert system, and so...

A leading non-linear technology is further proposed and investigated, for the determination of the velocity field around a cascade of airfoils of a turbomachine. Such problem is reduced to the solution of a non-linear multidimensional singular integral equation, when considering harmonic time dependence between the motions of adjacent blades of the...

For the design of the aircraft with turbojet engines and speeds in the range of 50,000 km/h and for the spacecraft of any speed, the leading technology of "Universal Mechanics" is further improved and investigated. The groundbreaking theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "Relati...

A leading numerical method is further investigated and studied for the approximation of the non-linear singular integro-differential equations defined in Banach spaces. Thus, the collocation numerical calculation method is applied for the approximation of such type of non-linear equations, by using a system of Chebyshev functions. Furthermore, thro...

A leading technology is further investigated in the area of four-dimensional multiphase flows for the determination of the properties of reservoir materials, when hydrocarbon reserves together with water are moving through porous media. This multiphase problem seems to be very important for petroleum reservoir engineering, in the area of porous med...

For the design of the future spacecraft of any speed, the leading technology of "Universal Mechanics" is further improved and studied. The proposed theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "Relativistic Thermo-Elasticity". Thus, according to the above theories there is a considerab...

For the design of the future aircraft with turbojet engines and speeds in the range of 50,000 km/h, and for the future spacecraft of any speed, the modern theory of "Universal Mechanics" is further improved and investigated. The leading theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "Rel...

A leading technology is further investigated in order to estimate the bubblepoint pressure and the bubblepoint petroleum formation volume factor for petroleum reservoir. The above high technology method requires that the value of the bubblepoint solution for oil/gas ratio be one of the input variables. Most of the known bubblepoint solution petrole...

For the design of the future aircraft and spacecraft of any speed, the leading theory of "Universal Mechanics" is further improved and investigated. The modern theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "Relativistic Thermo-Elasticity". Thus, according to the above theories there is...

A leading Multiphase Compressor Technology is further investigated for wet gas compression in petroleum engineering. Usually the fluid to be handled by the wells operate under wet gas conditions, where the fluid contains a mixture of liquid and gaseous phases. Thus, the proposed multiphase pumps have the ability to handle directly the wet gas witho...

By using a modern mathematical method, then the probability of an operational risk model is estimated, when an initial reserve is given. Thus, the above problem is reduced to the solution of a non-linear Volterra partial integro-differential equation. Such a non-linear integro-differential equation is numerically calculated by using the Lagrange po...

Non-linear Real-Time Expert Seismology" is further investigated by using a non-linear 3-D elastic waves real-time expert system, for the exploration of the onshore and offshore petroleum reservoir worldwide. The above leading petroleum exploration technology is working by using elastic (seismic) waves moving in an unbounded subsurface medium, for s...

Non-linear Real-Time Expert Seismology" is investigated for the designation of the exact location of the onshore and offshore oil reservoir worldwide. Such groundbreaking method, is applied by using a non-linear 3-D elastic waves real-time expert system and so the onshore and offshore oil reservoir can be easily determined. Furthermore, the exact l...

A leading technology on solar energy is further studied and investigated by using intermediate bands within the energy gap of the semiconductor, in order to increase the efficiency of solar cells. Thus, the photons with energy less than the band gap could contribute to the output device by using the intermediate band or bands, in order to jump to t...

A leading technology is further studied and investigated by applying the Singular Integral Operators Method (S.I.O.M.).for the determination of the properties of non-wood cellulosic fibers used for paper production. Thus, the solution of the anisotropic elastic stress analysis problem is investigated, which defines the basic feature for the mechani...

For the determination of the properties of the reservoir materials, when hydrocarbon reserves are moving through porous media, a leading technology is further studied. This problem is very much important for petroleum reservoir engineering and the big petroleum industry and especially in hydraulic fracturing. Consequently, hydraulic fracturing is u...

By using a leading mathematical method, then the probability of an operational risk model is estimated, when an initial reserve is given. Consequently, the above problem is reduced to the solution of a non-linear Volterra partial integro-differential equation. Such a non-linear integro-differential equation is numerically evaluated by using the Lag...

The leading technology "Non-linear Real-Time Expert Seismology" is further improved by the present investigation for the designation of the exact location of the onshore and offshore petroleum reservoir all over the world. Hence, this sophisticated technology is applied by using a non-linear 3-D elastic waves real-time expert system and so the onsh...

A leading two-dimensional aerodynamics representation analysis is further improved and investigated for the determination of inviscid flowfields of unsteady airfoils. Thus, the above problem of the unsteady flow of a two-dimensional NACA airfoil is reduced to the solution of a non-linear multidimensional singular integral equation, when the form of...

For the determination of the properties of the reservoir materials, when petroleum reserves are moving through porous media, a sophisticated and groundbreaking mathematical model is further studied. This problem is very much important for hydrocarbon reserves engineering and the petroleum industry and especially in hydraulic fracturing. Thus, hydra...

For the determination of the properties of the reservoir materials, when petroleum reserves are moving through porous media, a leading technology is improved and investigated. Such a problem is very much important for petroleum reservoir engineering and the big petroleum industry and especially in hydraulic fracturing. Consequently, hydraulic fract...

A leading technology is further improved in the area of four-dimensional multiphase flows for the determination of the properties of reservoir materials, when petroleum reserves together with water are moving through porous media. This multiphase problem seems to be very important for hydrocarbon reservoir engineering, in the area of porous medium...

For the design of the future spacecraft of any speed, the leading technology of "Universal Mechanics" is further improved and investigated. The new theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "Relativistic Thermo-Elasticity". Thus, according to the above theories there is a considerab...

EU Academy of Sciences Universal Journal of Aerodynamics 10 (2022)

The 2021 Annual Report of the EU Academy of Sciences (EUAS)

A sophisticated numerical method is further investigated and studied for the approximation of the non-linear singular integro-differential equations defined in Banach spaces. Hence, the collocation numerical calculation method is applied for the approximation of such type of non-linear equations, by using a system of Chebyshev functions. Beyond the...

A sophisticated method is further improved for the solution of the classical open channel hydraulics problem to the determination of the free-surface profile of an unsteady flow over a spillway flow in dams, for power production. Consequently, by using the Singular Integral Operators Method (S.I.O.M.) then the above problem can be reduced to the so...

Non-linear Real-Time Expert Seismology" is further studied for the designation of the exact location of the onshore and offshore petroleum reservoir all over the world. Such groundbreaking method, is applied by using a non-linear 3-D elastic waves real-time expert system and so the onshore and offshore petroleum reservoir can be easily determined....

Non-linear Real-Time Expert Seismology" is sophisticated method by using a non-linear 3-D elastic waves real-time expert system, for the exploration of the onshore and offshore oil & gas reserves worldwide. The above innovative hydrocarbon exploration method is working by using elastic (seismic) waves moving in an unbounded subsurface medium, for s...

For the determination of the properties of the reservoir materials, when oil reserves are moving through porous media, a sophisticated and groundbreaking mathematical model is further studied. This problem is very much important for petroleum reserves engineering and the oil industry and especially in hydraulic fracturing. Consequently, hydraulic f...

A modern method is further investigated by applying the Singular Integral Operators Method (S.I.O.M.).for the determination of the properties of non-wood cellulosic fibers used for paper manufacturing. Thus, the solution of the anisotropic elastic stress analysis problem is studied, which defines the basic feature for the mechanical behavior of non...

For the design of the future aircraft with turbojet engines and speeds in the range of 50,000 km/h, and for the future spacecraft of any speed, the modern theory of "Universal Mechanics" is further improved and studied. The groundbreaking theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "R...

A groundbreaking technology is further improved in the area of four-dimensional multiphase flows for the determination of the properties of reservoir materials, when petroleum reserves together with water are moving through porous media. This multiphase problem seems to be very important for oil reservoir engineering, in the area of porous medium a...

For the determination of the properties of the reservoir materials, when petroleum reserves are moving through porous media, a modern mathematical model is further studied. This problem is very much important for hydrocarbon reservoir engineering and the big petroleum industry and especially in hydraulic fracturing. Hence, hydraulic fracturing is u...

A groundbreaking Multiphase Compressor Method is further studied for wet gas compression in petroleum engineering. Usually the fluid to be handled by the wells operate under wet gas conditions, where the fluid contains a mixture of liquid and gaseous phases. Hence, the proposed multiphase pumps have the ability to handle directly the wet gas withou...

By using a modern mathematical method, then the probability of an operational risk model is estimated, when an initial reserve is given. Consequently, the above problem is reduced to the solution of a non-linear Volterra partial integro-differential equation. Such a non-linear integro-differential equation is numerically calculated by using the Lag...

The groundbreaking method "Non-linear Real-Time Expert Seismology" is further improved by the present investigation for the designation of the exact location of the onshore and offshore petroleum reservoir all over the world. Thus, this sophisticated technology is applied by using a non-linear 3-D elastic waves real-time expert system and so the on...

A modern method on solar energy is further studied and investigated by using intermediate bands within the energy gap of the semiconductor, in order to increase the efficiency of solar cells. Consequently, the photons with energy less than the band gap could contribute to the output device by using the intermediate band or bands, in order to jump t...

A sophisticated two-dimensional aerodynamics representation analysis is further improved and investigated for the determination of inviscid flowfields of unsteady airfoils. Consequently, the above problem of the unsteady flow of a two-dimensional NACA airfoil is reduced to the solution of a non-linear multidimensional singular integral equation, wh...

A non-linear 3-D elastic waves real-time expert system is further investigated for the exploration of the onshore and offshore petroleum reserves worldwide, according to the modern theory of "Non-linear Real-Time Expert Seismology". Such sophisticated method will work under Real Time Logic for searching offshore petroleum reserves developed on the...

A groundbreaking non-linear model is further studied and investigated, for the determination of the velocity field around a cascade of airfoils of a turbomachine. This problem is reduced to the solution of a non-linear multidimensional singular integral equation, when considering harmonic time dependence between the motions of adjacent blades of th...

For the design of the future spacecraft of any speed, the modern theory of "Universal Mechanics" is further studied and improved. The innovative theory of "Universal Mechanics" consists of the combination of the theories of "Relativistic Elasticity" and "Relativistic Thermo-Elasticity". Thus, according to the above theories there is a considerable...

Non-linear Real-Time Expert Seismology" is further investigated by using a non-linear 3-D elastic waves real-time expert system, for the exploration of the onshore and offshore petroleum reservoir worldwide. The above groundbreaking petroleum exploration method is working by using elastic (seismic) waves moving in an unbounded subsurface medium, fo...

For the design of the future aircraft and spacecraft of any speed, the groundbreaking theory of "Universal Mechanics" is further improved and investigated. The modern theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "Relativistic Thermo-Elasticity". Hence, according to the above theories t...

A groundbreaking technology is further improved in the area of four-dimensional multiphase flows for the determination of the properties of reservoir materials, when hydrocarbon reserves together with water are moving through porous media. This multiphase problem seems to be very important for petroleum reservoir engineering, in the area of porous...

For the determination of the properties of the reservoir materials, when petroleum reserves are moving through porous media, a modern mathematical model is improved and investigated. Such a problem is very much important for petroleum reservoir engineering and the big petroleum industry and especially in hydraulic fracturing. Thus, hydraulic fractu...

For the design of the aircraft with turbojet engines and speeds in the range of 50,000 km/h and for the spacecraft of any speed, the modern method of "Universal Mechanics" is further improved and investigated. The groundbreaking theory of "Universal Mechanics" consists to the combination of the theories of "Relativistic Elasticity" and "Relativisti...

A groundbreaking method on stationary energy storage is further improved and studied by using non-linear Lithium-Ion batteries with intermediate bands. Thus, it will be shown that by using the above very modern chemical based method, then the statical energy storage will be very much increased in comparison to the present technology. Consequently,...

A groundbreaking technology is further studied and investigated in the area of four-dimensional multiphase flows for the determination of the properties of reservoir materials, when oil & gas reserves together with water are moving through porous media. This multiphase problem seems to be very important for petroleum reservoir engineering. Conseque...

By the present research a groundbreaking non-linear real-time expert water management telematics system is further improved and investigated, in order to minimize the waste of 15 % to 40 % of the water supplies in the ground pipe networks, because of the leakage. Thus, the step testing method will be used for the design of such an expert system, an...

A modern technology is further investigated in order to estimate the bubblepoint pressure and the bubblepoint petroleum formation volume factor for petroleum reservoir. The above high technology method requires that the value of the bubblepoint solution for oil/gas ratio be one of the input variables. Most of the known bubblepoint solution oil/gas...

A modern non-linear model is further proposed and investigated, for the determination of the velocity field around a cascade of airfoils of a turbomachine. Such problem is reduced to the solution of a non-linear multidimensional singular integral equation, when considering harmonic time dependence between the motions of adjacent blades of the turbi...