Dancing with black holes (2007)
We describe efforts over the last six years to implement regularization methods suitable for studying one or more interacting black holes by direct N-body simulations. Three different methods have...
The core binary fractions of star clusters from realistic simulations (2007)
Hurley, Jarrod R., Aarseth, Sverre J., Shara, Michael M.
We investigate the evolution of binary fractions in star clusters using N-body models of up to 100000 stars. Primordial binary frequencies in these models range from 5% to 50%. Simulations are...
Post-Newtonian N-body simulations (2007)
We report on the first fully consistent conventional cluster simulation which includes terms up to post^{5/2} Newtonian in the potential of the massive body. Numerical problems for treating extremely...
The core binary fractions of star clusters from realistic simulations (2007)
Hurley, Jarrod R., Aarseth, Sverre J., Shara, Michael M.
We investigate the evolution of binary fractions in star clusters using N-body models of up to 100,000 stars. Primordial binary frequencies in these models range from 5% to 50%. Simulations are...
The core binary fractions of star clusters from realistic simulations (2007)
Hurley, Jarrod R., Aarseth, Sverre J., Shara, Michael M.
We investigate the evolution of binary fractions in star clusters using N-body models of up to 100,000 stars. Primordial binary frequencies in these models range from 5% to 50%. Simulations are...
The core binary fractions of star clusters from realistic simulations (2007)
Hurley, Jarrod R., Aarseth, Sverre J., Shara, Michael M.
We investigate the evolution of binary fractions in star clusters using N-body models of up to 100,000 stars. Primordial binary frequencies in these models range from 5% to 50%. Simulations are...
A Complete N-body Model of the Old Open Cluster M67 (2005)
Hurley, Jarrod R., Pols, Onno R., Aarseth, Sverre J., Tout, Christopher A.
The old open cluster M67 is an ideal testbed for current cluster evolution models because of its dynamically evolved structure and rich stellar populations that show clear signs of interaction...
A complete N-body model of the old open cluster M67 (2005)
Hurley, Jarrod R., Pols, Onno R., Aarseth, Sverre J., Tout, Christopher A.
The old open cluster M67 is an ideal testbed for current cluster evolution models because of its dynamically evolved structure and rich stellar populations that show clear signs of interaction...
A complete N-body model of the old open cluster M67 (2005)
Hurley, Jarrod R., Pols, Onno R., Aarseth, Sverre J., Tout, Christopher A.
The old open cluster M67 is an ideal testbed for current cluster evolution models because of its dynamically evolved structure and rich stellar populations that show clear signs of interaction...
A complete N-body model of the old open cluster M67 (2005)
Hurley, Jarrod R., Pols, Onno R., Aarseth, Sverre J., Tout, Christopher A.
The old open cluster M67 is an ideal testbed for current cluster evolution models because of its dynamically evolved structure and rich stellar populations that show clear signs of interaction...
A complete N-body model of the old open cluster M67 (2005)
Hurley, Jarrod R., Pols, Onno R., Aarseth, Sverre J., Tout, Christopher A.
The old open cluster M67 is an ideal testbed for current cluster evolution models because of its dynamically evolved structure and rich stellar populations that show clear signs of interaction...
Formation and evolution of hierarchical systems (2004)
Se utilizan distribuciones iniciales de binarias primordiales en simulaciones realistas de N-cuerpos que dan origen a subsistemas ligados de diferente multiplicidad. Un examen del proceso de...
Metallicity effects on open cluster dynamics (2004)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We take advantage of an N-body code that treats a range of metallicities to investigate the effect of metallicity on the internal dynamics of star clusters. Simulations of a set of large open...
Metallicity effects on open cluster dynamics (2004)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We take advantage of an N-body code that treats a range of metallicities to investigate the effect of metallicity on the internal dynamics of star clusters. Simulations of a set of large open...
Metallicity effects on open cluster dynamics (2004)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We take advantage of an N-body code that treats a range of metallicities to investigate the effect of metallicity on the internal dynamics of star clusters. Simulations of a set of large open...
Metallicity effects on open cluster dynamics (2004)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We take advantage of an N-body code that treats a range of metallicities to investigate the effect of metallicity on the internal dynamics of star clusters. Simulations of a set of large open...
Black Hole Binary Dynamics (2002)
We discuss a new N-body simulation method for studying black hole binary dynamics. This method avoids previous numerical problems due to large mass ratios and trapped orbits with short periods. A...
MODEST-1: Integrating Stellar Evolution and Stellar Dynamics (2002)
Hut, Piet, Shara, Michael M., Aarseth, Sverre J., Klessen, Ralf S., Lombardi Jr., James C., Makino, Junichiro, ...
We summarize the main results from MODEST-1, the first workshop on MOdeling DEnse STellar systems. Our goal is to go beyond traditional population synthesis models, by introducing dynamical...
Regularization Tools for Binary Interactions (2001)
We first discuss two-body and chain regularization methods for direct N-body simulations on HARP-2 and GRAPE-6. The former is used for accurate integration of perturbed binaries and hierarchies,...
Nbody2: A Direct N-Body Integration Code (2001)
We give a full description of the code NBODY2 for direct integration of the gravitational N-body problem. The method of solution is based on the neighbour scheme of Ahmad & Cohen (1973) which speeds...
Direct N-body modelling of stellar populations : blue stragglers in M67 (2001)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We present a state-of-the-art N-body code which includes a detailed treatment of stellar and binary evolution as well as the cluster dynamics. This code is ideal for investigating all aspects...
The formation of a bound star cluster : from the Orion nebula cluster to the Pleiades (2001)
Kroupa, Pavel, Aarseth, Sverre J., Hurley, Jarrod R.
Direct N-body calculations are presented of the formation of Galactic clusters using GASEX, which is a variant of the code Nbody6. The calculations focus on the possible evolution of the Orion nebula...
Direct N-body modelling of stellar populations : blue stragglers in M67 (2001)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We present a state-of-the-art N-body code which includes a detailed treatment of stellar and binary evolution as well as the cluster dynamics. This code is ideal for investigating all aspects...
The formation of a bound star cluster : from the Orion nebula cluster to the Pleiades (2001)
Kroupa, Pavel, Aarseth, Sverre J., Hurley, Jarrod R.
Direct N-body calculations are presented of the formation of Galactic clusters using GASEX, which is a variant of the code Nbody6. The calculations focus on the possible evolution of the Orion nebula...
Direct N-body modelling of stellar populations : blue stragglers in M67 (2001)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We present a state-of-the-art N-body code which includes a detailed treatment of stellar and binary evolution as well as the cluster dynamics. This code is ideal for investigating all aspects...
The formation of a bound star cluster : from the Orion nebula cluster to the Pleiades (2001)
Kroupa, Pavel, Aarseth, Sverre J., Hurley, Jarrod R.
Direct N-body calculations are presented of the formation of Galactic clusters using GASEX, which is a variant of the code Nbody6. The calculations focus on the possible evolution of the Orion nebula...
Direct N-body modelling of stellar populations : blue stragglers in M67 (2001)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We present a state-of-the-art N-body code which includes a detailed treatment of stellar and binary evolution as well as the cluster dynamics. This code is ideal for investigating all aspects...
The formation of a bound star cluster : from the Orion nebula cluster to the Pleiades (2001)
Kroupa, Pavel, Aarseth, Sverre J., Hurley, Jarrod R.
Direct N-body calculations are presented of the formation of Galactic clusters using GASEX, which is a variant of the code Nbody6. The calculations focus on the possible evolution of the Orion nebula...
Direct N-body Modelling of Stellar Populations: Blue Stragglers in M67 (2000)
Hurley, Jarrod R., Tout, Christopher A., Aarseth, Sverre J., Pols, Onno R.
We present a state-of-the-art N-body code which includes a detailed treatment of stellar and binary evolution as well as the cluster dynamics. This code is ideal for investigating all aspects...
The Formation and Evolution of Multiple Star Systems (2000)
Aarseth, Sverre J., Mardling, Rosemary A.
Multiple systems play an important role in the evolution of star clusters. First we discuss several formation mechanisms which depend on the presence of binaries, either primordial or of dynamical...
Star Cluster Simulations: The State of the Art (1999)
This paper concentrates on four key tools for performing star cluster simulations developed during the last decade which are sufficient to handle all the relevant dynamical aspects. First we discuss...
Direct collisional simulation of 10 000 particles past core collapse (1996)
Spurzem, Rainer, Aarseth, Sverre J.
A collisional $N$-body simulation using NBODY5 on a single CRAY YMP processor is followed well into the post-collapse regime. This is presently one of the largest particle numbers of all such models...