$vmName = "vm01"
$ClusterName = "mycluster"
$Group = Get-ClusterGroup -Cluster $ClusterName -Name $vmName
$OwnerNode = $Group.OwnerNode.Name
$vm = Get-VM -ComputerName $OwnerNode -Name $vmName -ErrorAction Stop
$vm |Stop-VM -Force -ErrorAction Stop
while ($vm.State -ne "Off") {
    Start-Sleep -Seconds 1
}
Write-Host "$($vm.Name) on $($OwnerNode) is Off."