Hans Dresig (31 January 1937 in Dölau near

Halle (Saale) Halle (Saale), or simply Halle (; from the 15th to the 17th century: ''Hall in Sachsen''; until the beginning of the 20th century: ''Halle an der Saale'' ; from 1965 to 1995: ''Halle/Saale'') is the largest city of the Germany, German States of ...

, Germany – 25 April 2018 in

Lichtenau, Saxony Lichtenau is a municipality in the district of Mittelsachsen, in Saxony, Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, a ...

) was a

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

professor for

applied mechanics Applied mechanics is the branch of science concerned with the motion of any substance that can be experienced or perceived by humans without the help of instruments. In short, when mechanics concepts surpass being theoretical and are applied and e ...

and theory of mechanisms and machines.

Career

Dresig started to study in 1954 at the

Dresden University of Technology TU Dresden (for german: Technische Universität Dresden, abbreviated as TUD and often wrongly translated as "Dresden University of Technology") is a public research university, the largest institute of higher education in the city of Dresden, th ...

.CV at homepage of Hans Dresig
As student he specialized in transportation machines and equipment. His special interests were theoretical subjects, like Applied Mathematics, Physics, Technical Mechanics and Theory of Mechanisms and Machines. After graduating in 1960 he joined the chair of Technical Mechanics. Since then he had been working on dynamics of machines, for instance with mechanisms, oscillating

conveyors A conveyor belt is the carrying medium of a belt conveyor system (often shortened to belt conveyor). A belt conveyor system is one of many types of conveyor systems. A belt conveyor system consists of two or more pulleys (sometimes referred to ...

and

cranes Crane or cranes may refer to: Common meanings * Crane (bird), a large, long-necked bird * Crane (machine), industrial machinery for lifting ** Crane (rail), a crane suited for use on railroads People and fictional characters * Crane (surname), ...

. He received his master's degree and Doctor Degree from Dresden University of Technology in 1965. After defending his doctoral thesis he started working for a design office in the crane construction company “Kranbau Eberswalde” in Eberswalde. After 4 years he was appointed to a lecturer at the

Chemnitz University of Technology Chemnitz (; from 1953 to 1990: Karl-Marx-Stadt , ) is the third-largest city in the German state of Saxony after Leipzig and Dresden. It is the 28th largest city of Germany as well as the fourth largest city in the area of former East Germany a ...

. He also completed his postdoctoral work there in 1970. After having worked as a lecturer for eight years, he was offered a professorship in 1978. Dresig was a professor and Ph.D. supervisor in Chemnitz University of Technology. During that time he had been giving lectures on a variety of subjects, such as

Statics Statics is the branch of classical mechanics that is concerned with the analysis of force and torque (also called moment) acting on physical systems that do not experience an acceleration (''a''=0), but rather, are in static equilibrium with ...

, Strength of materials, Dynamics, Theory of

Vibrations Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point. The word comes from Latin ''vibrationem'' ("shaking, brandishing"). The oscillations may be periodic, such as the motion of a pendulum—or random, such ...

Balancing of rotating masses The balancing of rotating bodies is important to avoid vibration. In heavy industrial machines such as gas turbines and electric generators, vibration can cause catastrophic failure, as well as noise and discomfort. In the case of a narrow wheel, ...

and Optimization of Machines. In addition to these lectures he worked on many projects with industrial partners in mechanical engineering. He wrote, together with Franz Holzweißig, the textbook “Dynamics of Machinery”. In 1979 was published the first edition. In 2010 the 10th edition came out in Germany and today it is available in Vietnamese, English and Chinese translation. His researches have been published in more than 220 papers. In addition, he is author and co-author of about 10 books and also the inventor of about 20 patents. He was a member in Committee of Drive Technology in the Association of German Engineers (VDI), an advisor of “ Alexander von Humboldt Foundation” and German Research Foundation (DFG). He held lectures in the US, Switzerland, Austria, France, Italy, Poland, Czechoslovakia, Bulgaria, Russia, Ukraine, Vietnam and China. Since 2009 he had been a

visiting professor In academia, a visiting scholar, visiting researcher, visiting fellow, visiting lecturer, or visiting professor is a scholar from an institution who visits a host university to teach, lecture, or perform research on a topic for which the visitor ...

Nanjing Agricultural University Nanjing Agricultural University (NAU, ) is a public research university located in Nanjing, Jiangsu province, China. It is funded by the Ministry of Education of China as part of the nation's Double First Class University Plan and former Project 21 ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Bibliography (selected)

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References

{{DEFAULTSORT:Dresig, Hans 1937 births 2018 deaths Engineers from Saxony-Anhalt German mechanical engineers TU Dresden alumni Academic staff of TU Dresden People from Halle (Saale)